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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3452.5-2022 |
O-ring rubber seals for hydraulic and pneumatic use - Part 5: Specification for elastomeric materials {译} 液压气动用O形橡胶密封圈 第5部分：弹性体材料规范 |
China National Standards Rubber elastomer materials |
 English PDF |
| GB/T 24153-2009 |
Rubber and elastomer materials - Determination of N-nitrosamines 橡胶及弹性体材料 N-亚硝基胺的测定 |
China National Standards Rubber elastomer materials |
English PDF |
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