Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Name of Chinese Standard | Status |
GB/T 1047-2019 | English | 75 |
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Pipework components -- Definition and selection of nominal size
| Valid |
GB/T 1047-2005 | English | 70 |
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Pipework components -- Definition and selection of DN (nominal size)
| Obsolete |
GB/T 1047-1995 | English | 199 |
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Nominal size for pipe components
| Obsolete |
GB 1047-1970 | English | 199 |
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Nominal inside diameters for pipes and pipe line accessories
| Obsolete |