| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 20450.3-2017 | English | RFQ |
ASK
|
Days<=11
|
Alternative welding code for mechanical components of PWR nuclear islands Part 3: Welding procedure qualification
|
NB/T 20450.3-2017
| Obsolete |
NB/T 20450.3-2017
|