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International Standard Category: Abrasives |
Category No.: | 25.100.70 | Valid Status: | superseded |
Issued Organization: | State Qualtiy Technical Supervision Bureau | Issued Date: | 1998-01-01 |
Implemented Date: | 1999-9-1 | Abolished Date: | |
Superseded Standard.: | GB/T 2481.2-2009 Bonded abrasives - Determination and designation of grain size distribution - Part 2: Microgrits |
Superseded Date: | 2009-12-1 |
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