| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 9121-2010 | English | 559 |
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Days<=4
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Loose plate steel pipe flanges with weld-on collar
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GB/T 9121-2010
| Obsolete |
GB/T 9121-2010
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