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International Standard Category: Bolts, screws, studs

GB/T 800-2020    Countersunk head double nib bolts
沉头双榫螺栓;
Category No.:21.060.10 Valid Status:valid
Issued Organization:AQSIQ and SAMR Issued Date:2020-11-19
Implemented Date:2021-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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