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International Standard Category: Nuts

GB/T 9457-1988    Hexagon slotted and castle nuts,style 1-Fine pitch thread-Product grades A and B
1型六角开槽螺母 细牙 A和B级;
Category No.:21.060.20 Valid Status:valid
Issued Organization:CMIF Issued Date:1988-6-24
Implemented Date:1989-7-1 Abolished Date:
Superseded Standard.: Superseded Date:
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