Home / Standards / GB/T 30221-2013 GB/T 30221-2013 Active Energy efficiency test procedures for industry brakes 工业制动器能效测试方法 Standard Type GBT ICS 53.020.30 CCS J80 Status 现行 Issue Date 2013-12-31 Implementation 2014-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A