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International Standard Category: Bolts, screws, studs

GB 5279-1985    Countersunk head screws; Head configuration and gauging
沉头螺钉 头部形状和测量 ;
Category No.:21.060.10 Valid Status:valid
Issued Organization:CMIF Issued Date:1985-08-01
Implemented Date:1986-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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