Home / Standards / GB/T 3837-2001 GB/T 3837-2001 Active 7/24 tapers for tool shanks for manual changing 7∶24手动换刀刀柄圆锥 Standard Type GBT ICS 25.060.20 CCS J51 Status 现行 Issue Date 2001-07-20 Implementation 2002-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A