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International Standard Category: Hand-held tools in general

GB/T 3227-2008    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Category No.:25.140.01 Valid Status:superseded
Issued Organization:CMIF Issued Date:2008-7-9
Implemented Date:2009-2-1 Abolished Date:2019-07-01
Superseded Standard.:GB/T 3227-2018 Assembly tools for screws and nuts--Driving squares for power socket tools
Superseded Date:2019-7-1
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