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International Standard Category: Rolling bearings

GB/T 272-1993    Rolling bearing - Identification code
滚动轴承 代号方法 ;
Category No.:21.100.20 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:1993-7-28
Implemented Date:1994-7-1 Abolished Date:
Superseded Standard.:GB/T 272-2017 Rolling bearings. Identification code
Superseded Date:2018-2-1
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