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Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HG/T 20632-2009 |
Covered serrated metal gaskets for use with steel pipe flanges (Class designated) 钢制管法兰用具有覆盖层的齿形组合垫（Class系列） |
China Chemical Industry
Standards Covered serrated metal |
 English PDF |
| HG/T 20611-2009 |
Covered serrated metal gaskets for use with steel pipe flanges (PN designated) 钢制管法兰用具有覆盖层的齿形组合垫（PN系列） |
China Chemical Industry
Standards Covered serrated metal |
English PDF |
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