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Spring (for 1/2" Non-Return Valve) 弹簧(用于1/2“止回阀)
发布日期: 1951-05-11
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现行
ADS AS3380
Spring (for 1/4" Non-Return Valve)
弹簧(用于1/4“止回阀)
1951-05-11
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ADS AS3391
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ADS AS3390
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ADS AS3389
Body (for 1/2" Non-Return Valve)
阀体(用于1/2“止回阀)
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ADS AS3393
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密封圈(用于1/2“止回阀)
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现行
ADS AS3379
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ADS AS3378
Plug (for 1/4" Non-Return Valve)
塞子(用于1/4“止回阀)
1951-05-11
现行
ADS AS3377
Body - (for 1/4" Non-Return Valve)
阀体-(用于1/4“止回阀)
1951-05-11
现行
ADS AS3381
Sealing Ring (for 1/4" Non-Return Valve)
密封圈(用于1/4“止回阀)
1951-05-11
现行
ADS AS3388
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1/2“止回阀?液压(试验计划见AS3376第2页)
1951-05-11
现行
ADS AS3376
1/4" Non-Return Valves - Hydraulic (see Sheet 2 for Test Schedule)
1/4“止回阀-液压(试验计划见表2)
1951-05-11
现行
ADS AGS3415
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止回阀 安全防护装置 用于1/4“B.S.P.F.螺纹
1961-01-26
现行
API Spec 7NRV-2006(R2020)
Specification for Drill String Non-return Valves, First Edition, Includes Addendum 1 (2019)
钻柱止回阀规范 第一版 包括附录1(2019)
2006-07-01
现行
ADS AS3382
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现行
DIN 87101
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2003-10-01
现行
IEC 60264-2-3-1990/AMD1-2003
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修改件1.绕组线的包装.第2-3部分:圆柱形桶装交货线盘.热塑性材料制成的不可回收线盘规范
2003-12-19