Home / Standards / GB/T 10226-1988 GB/T 10226-1988 Active Basic rack tooth profile of fine-pitch cylindrical worm 小模数圆柱蜗杆基本齿廓 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 1988-12-22 Implementation 1989-10-01 Responsible Dept 国家标准委 Drafting Unit N/A