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International Standard Category: Screw threads in general

GB/T 18685-2017    The blank diameters for rolling general purpose metric screw threads
普通螺纹搓制和滚制前的毛坯直径 ;
Category No.:21.040.01 Valid Status:valid
Issued Organization:AQSIQ AND SAC Issued Date:2017-09-29
Implemented Date:2018-4-1 Abolished Date:
Superseded Standard.: Superseded Date:
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