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International Standard Category: Steel profiles |
Category No.: | 77.140.70 | Valid Status: | superseded |
Issued Organization: | NDRC | Issued Date: | 2005-7-26 |
Implemented Date: | 2005-12-1 | Abolished Date: | |
Superseded Standard.: | YB/T 5034-2015 Hot-rolled steel section for track shoe |
Superseded Date: | 2015-10-1 |
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