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Standard Insuued on: 1991-12 |
Category No.: | GB | Valid Status: | superseded |
Issued Organization: | State Technical Supervision Bureau | Issued Date: | 1991-12-13 |
Implemented Date: | 1992-10-1 | Abolished Date: | |
Superseded Standard.: | GB/T 13304.2-2008 Steels Classification - Part 2: Classification of According to Main Quality Classes and Main Property or Application GB/T 13304.1-2008 Steels classification - Part 1: Classification of according to chemical composition |
Superseded Date: | 2009-4-1 |
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