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International Standard Category: Abrasives

JB/T 4204-2006    Bonded abrasive products-Magnesia grinding wheel
固结磨具 菱苦土砂轮 ;
Category No.:25.100.70 Valid Status:superseded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Superseded Standard.:JB/T 4204-2023 Bonded abrasive products - Magnesia bonded grinding wheel
Superseded Date:2024-7-1
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