Home / Standards / GB/T 12371-1990 GB/T 12371-1990 Abolished Bevel gears--Information of the dimensional data to be given on the drawing 锥齿轮 图样上应注明的尺寸数据 Standard Type GBT ICS 21.200 CCS J17 Status 废止 Issue Date 1990-06-26 Implementation 1991-03-01 Responsible Dept 国家标准委 Drafting Unit N/A