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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41028-2021 |
Requirements of aerospace fluid systems impulse testing of hydraulic hose ，tubing and fitting assemblies 航空航天流体系统液压软管、管道和接头组件的脉冲试验要求 |
China National Standards ，tubing |
 English PDF |
| GB/T 9253.2-1999 |
Petroleum andnatural gas industries--Threading，gauging，and threadinspection of casing，tubing and line pipe threads 石油天然气工业 套管、油管和管线管螺纹的加工、测量和检验 |
China National Standards ，tubing |
English PDF |
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