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International Standard Category: Hand-held tools in general

GB/T 3227-2018    Assembly tools for screws and nuts--Driving squares for power socket tools
螺栓螺母用装配工具 机动套筒工具的传动四方 ;
Category No.:25.140.01 Valid Status:valid
Issued Organization:SAMR and SAC Issued Date:2018-12-28
Implemented Date:2019-7-1 Abolished Date:
Superseded Standard.: Superseded Date:
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