Home / Standards / GB/T 12760-2018 GB/T 12760-2018 Active Cylindrical worm and wormwheel information of the dimensional data to be givem on the drawing 圆柱蜗杆、蜗轮图样上应注明的尺寸数据 Standard Type GBT ICS 21.200 CCS J17 Status 现行 Issue Date 2018-05-14 Implementation 2018-12-01 Responsible Dept 国家标准委 Drafting Unit N/A