Home / Standards / GB/T 2362-1990 GB/T 2362-1990 Active Basic rack tooth profile of fine-pitch involute cylindrical gears 小模数渐开线圆柱齿轮基本齿廓 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 1990-09-08 Implementation 1991-10-01 Responsible Dept 国家标准委 Drafting Unit N/A