Home / Standards / GB/T 12973-2013 GB/T 12973-2013 Active Dimensions for commutators and slip-rings 换向器与集电环尺寸 Standard Type GBT ICS 29.160.30 CCS K22 Status 现行 Issue Date 2013-12-17 Implementation 2014-05-10 Responsible Dept 中国电器工业协会 Drafting Unit N/A