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A42Y-160/320弹簧全启高压
弹簧全启封闭式高压适用范围
A42Y-160/320型弹簧全启封闭式高压安全阀适用于工作温度≤200℃的空气、氮氢混合气等介质的设备或管路上
，A42Y-160P/P、A42Y-160R/320R型弹簧全启封闭式高压安全阀适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置，连接法兰按JB/T2769-92的标准。
弹簧全启封闭式高压安全阀产品型号
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A42Y-160
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A42Y-160P
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A42Y-160R
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A42Y-320
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A42Y-320P
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A42Y-320R
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弹簧全启封闭式高压安全阀主要零部件材料 Meterial for main parts
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序号 NO.
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零件名称 Name of part
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A42Y-160 A42Y-320
材料Materials
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A42Y-160P A42Y-320P
材料Materials
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A42Y-160R A42Y-320
R材料Materials
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1
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法兰 Flange
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35/35CrMoA
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2Cr13
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1Cr18Ni12Mo2Ti
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2
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阀座 Nozzle
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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3
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阀体 Body
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40
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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4
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调节圈 Adjusting ring
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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5
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阀瓣 Disc
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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6
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反冲盘 Disc holder
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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7
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导向套 Guide sleeve
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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8
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阀盖 Bonnet
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ZG230-450
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ZG230-450
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ZG230-450
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9
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阀杆 Stem
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni9Ti
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10
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弹簧 Spring
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50CrVA
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50CrVA/包覆氟塑料 Coated
Teflon
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50CrVA/包覆氟塑料 Coated
Teflon
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11
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调整螺杆 Adjusting bolt
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45
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2Cr13
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2Cr13
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12
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阀帽 Cap
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ZG200-400
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ZG200-400
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ZG200-400
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|
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密封面材料 Sealing surface of
material
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堆焊Co基硬质合金 Depositing
stelite
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弹簧全启封闭式高压安全阀主要连接尺寸（mm）Size of main connection
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公称通径 DN Nominal
Diameter
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尺寸（mm）Size
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d0
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d
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M
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K
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D
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Z-￠d
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b
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d1
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M1
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k1
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D1
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Z1-￠d1
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b1
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L
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L1
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≈H
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A42Y-160
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15
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8
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20
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M24＊2
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60
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95
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3-￠18
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20
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29
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M42＊2
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80
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115
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4-￠18
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22
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95
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100
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220
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20
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8
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27
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M33＊2
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68
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105
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3-￠18
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20
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29
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M42＊2
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80
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115
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4-￠18
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22
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95
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100
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220
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25
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14
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28
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M33＊2
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68
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105
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3-￠18
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20
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50
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M64＊3
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115
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165
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6-￠26
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32
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150
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150
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280
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32
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15
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37
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M42＊2
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80
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115
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4-￠18
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22
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50
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M64＊3
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115
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165
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6-￠26
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32
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150
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150
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390
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40
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20
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47
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M52＊2
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115
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165
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6-￠26
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28
|
65
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M80＊3
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145
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200
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6-￠29
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40
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165
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165
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400
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50
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25
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59
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M64＊3
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115
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165
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6-￠26
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32
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80
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M100＊3
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170
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225
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6-￠33
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50
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180
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180
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495
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A42Y-320
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15
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8
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27
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M33＊2
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68
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105
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3-￠18
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20
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29
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M42＊2
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80
|
115
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4-￠18
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22
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95
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100
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220
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20
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8
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30
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M33＊2
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75
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110
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3-￠18
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22
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29
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M42＊2
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80
|
115
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4-￠18
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22
|
95
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100
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220
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25
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14
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35
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M42＊2
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80
|
115
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4-￠18
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22
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50
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M64＊3
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115
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165
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6-￠26
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32
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150
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150
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280
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32
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15
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41
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M48＊2
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95
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135
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4-￠22
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25
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50
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M64＊3
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115
|
165
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6-￠26
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32
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150
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150
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390
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40
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20
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58
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M64＊3
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115
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165
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6-￠26
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32
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65
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M80＊3
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145
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200
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6-￠29
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40
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165
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165
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400
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50
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25
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70
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M80＊3
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145
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200
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6-￠29
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40
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80
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M100＊3
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170
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225
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6-￠33
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50
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180
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180
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495
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A42Y-400
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32
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15
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41
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M48＊2
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95
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135
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4-￠22
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25
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50
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M64＊3
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115
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165
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6-￠26
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32
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150
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150
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397
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