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| International Standard Category: Steel profiles |
YB/T 5048-1993 Channel steel for tractor
拖拉机大梁用槽钢 ;
| Category No.: | 77.140.70 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1993-12-08 | |
| Implemented Date: | 1994-1-1 | Abolished Date: | |
| Superseded Standard.: | YB/T 5048-2006 Channel steel for tractor |
Superseded Date: | 2006-11-1 |
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