Home / Standards / GB/T 14348-2007 GB/T 14348-2007 Active hobs for double-circular-arc gear 双圆弧齿轮滚刀 Standard Type GBT ICS 25.100.99 CCS J41 Status 现行 Issue Date 2007-07-26 Implementation 2007-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A