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International Standard Category: Abrasives |
Category No.: | 25.100.70 | Valid Status: | superseded |
Issued Organization: | NDRC | Issued Date: | 2006-11-27 |
Implemented Date: | 2007-5-1 | Abolished Date: | |
Superseded Standard.: | JB/T 4175-2016 |
Superseded Date: | 2017-4-1 |
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