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International Standard Category: Washers, locking elements

GB 7246-1987    Wave single coil spring lock washers
波形弹簧垫圈;
Category No.:21.060.30 Valid Status:valid
Issued Organization:SBMBI Issued Date:1987-2-5
Implemented Date:1988-2-1 Abolished Date:
Superseded Standard.: Superseded Date:
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