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| International Standard Category: Welding, brazing and soldering in general |
YB/T 9259-1998 Specification for Metallurgical Engineering Construction Qualification of Welder
冶金工程建设焊工考试规程;
| Category No.: | 25.160.01 | Valid Status: | valid |
| Issued Organization: | Issued Date: | 1998-03-05 | |
| Implemented Date: | 1998-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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