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International Standard Category: Steel profiles |
Category No.: | 77.140.70 | Valid Status: | superseded |
Issued Organization: | Ministry of Metallurgical Industry | Issued Date: | 1993-12-08 |
Implemented Date: | 1994-1-1 | Abolished Date: | |
Superseded Standard.: | YB/T 5182-2006 Hot rolling 310 乙 shape steel |
Superseded Date: | 2006-11-1 |
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