Home / Standards / GB/T 5105 GB/T 5105 Abolished The basic types and dimensions of hobs for 45°pressure angle involute splines 45°压力角渐开线花键滚刀基本型式和尺寸 Standard Type GBT ICS 25.100.25 CCS J41 Status 废止 Issue Date 1985-04-27 Implementation 1986-03-01 Responsible Dept N/A Drafting Unit N/A