Home / Standards / GB/T 29027-2012 GB/T 29027-2012 Active Large curved tooth coupling 大型鼓形齿式联轴器 Standard Type GBT ICS 21.100.20 CCS J19 Status 现行 Issue Date 2012-12-31 Implementation 2013-10-01 Responsible Dept 国家标准委 Drafting Unit N/A