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International Standard Category: Washers, locking elements

GB/T 97.5-2002    Plain washers for tapping sew and washer assemblies
平垫圈 用于自攻螺钉和垫圈组合件 ;
Category No.:21.060.30 Valid Status:valid
Issued Organization:AQSIQ Issued Date:2002-12-5
Implemented Date:2003-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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