Home / Standards / GB/T 3167-1993 GB/T 3167-1993 Abolished Symbols for indications appearing on machine tools 金属切削机床 操作指示形象化符号 Standard Type GBT ICS 25.080 CCS J50 Status 废止 Issue Date 1993-07-21 Implementation 1994-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A