| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| HG/T 20633-2009 | English | 70 |
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Metallic ring joint gaskets for use with steel pipe flanges (Class designated)
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HG/T 20633-2009
| Valid |
HG/T 20633-2009
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