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International Standard Category: Rolling bearings

GB/T 308-1989    Rolling bearings--Steel balls
滚动轴承 钢球 ;
Category No.:21.100.20 Valid Status:superseded
Issued Organization: Issued Date:1989-02-22
Implemented Date:1990-1-1 Abolished Date:
Superseded Standard.:GB/T 308-2002 Rolling bearings--Steel balls
Superseded Date:2003-5-1
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