| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 9115.2-2000 | English | 519 |
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Days<=4
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Steel pipe welding neck flanges with male and female face
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GB/T 9115.2-2000
| Obsolete |
GB/T 9115.2-2000
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