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International Standard Category: Abrasives

GB/T 2478-2008    Conventional abrasive - Brown fused alumina
普通磨料 棕刚玉;
Category No.:25.100.70 Valid Status:superseded
Issued Organization:AQSIQ, SAC Issued Date:2008-6-3
Implemented Date:2009-1-1 Abolished Date:
Superseded Standard.:GB/T 2478-2022
Superseded Date:2022-10-1
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