Home / Standards / GB/T 3167-2015 GB/T 3167-2015 Active Metal-cutting machine tools—Graphical symbols for operation indications 金属切削机床 操作指示图形符号 Standard Type GBT ICS 25.080.01 CCS J50 Status 现行 Issue Date 2015-05-15 Implementation 2015-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A