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| International Standard Category: Steel profiles |
YB/T 129-1997 Specification for die blocks of plastic die steel
塑料模具钢模块技术条件 ;
| Category No.: | 77.140.70 | Valid Status: | superseded |
| Issued Organization: | Ministry of Metallurgical Industry | Issued Date: | 1997-08-04 |
| Implemented Date: | 1997-12-1 | Abolished Date: | |
| Superseded Standard.: | YB/T 129-2017 |
Superseded Date: | 2018-1-1 |
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