Home / Standards / GB/T 2075-1998 GB/T 2075-1998 Abolished Application of hard cutting materials for machining by chip removal--Designation of the main groups of chip removal and groups of application 切削加工用硬切削材料的用途 切屑形式大组和用途小组的分类代号 Standard Type GBT ICS 25.100.01 CCS J41 Status 废止 Issue Date 1998-02-27 Implementation 1998-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A