Home / Standards / GB/T 10224-1988 GB/T 10224-1988 Abolished Basic rack tooth profile of fine-pitch bevel gears 小模数锥齿轮基本齿廓 Standard Type GBT ICS 21.200 CCS J17 Status 废止 Issue Date 1988-12-22 Implementation 1989-10-01 Responsible Dept 国家标准委 Drafting Unit N/A