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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12385-2008 |
Standard test method for sealability of gaskets for pipe flanges 管法兰用垫片密封性能试验方法 |
China National Standards sealability |
 English PDF |
| GB/T 20671.4-2006 |
Classification system and test methods for nonmetallic gasket materials - Part 4: Standard test method for sealability of gasket materials 非金属垫片材料分类体系及试验方法 第4部分:垫片材料密封性试验方法 |
China National Standards sealability |
English PDF |
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