Home / Standards / GB/T 10173-1988 GB/T 10173-1988 Abolished Gear hobbing machines--Parameters 滚齿机 参数 Standard Type GBT ICS 25.060 CCS J56 Status 废止 Issue Date 1988-12-22 Implementation 1989-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A