Home / Standards / GB/T 18842-2008 GB/T 18842-2008 Active Taper cylindrical involute splines 圆锥直齿渐开线花键 Standard Type GBT ICS 21.120.30 CCS J18 Status 现行 Issue Date 2008-09-27 Implementation 2009-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委