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International Standard Category: Turning tools

GB/T 17111-1997    Cutting tools--Designation of high-speed steel groups
切削工具--高速钢分组代号 ;
Category No.:25.100.10 Valid Status:abolished
Issued Organization:STSB Issued Date:1997-01-01
Implemented Date:1998-7-1 Abolished Date:2009-01-01
Superseded Standard.:GB/T 17111-2008 Cutting tool - Designation of high-speed steel groups
Superseded Date:2009-1-1
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