| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20450.1-2017 | English | 239 |
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Days<=3
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Alternative welding code for mechanical components of PWR nuclear islands Part 1: General requirements
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NB/T 20450.1-2017
| Obsolete |
NB/T 20450.1-2017
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