Home / Standards / GB/T 28270-2012 GB/T 28270-2012 Active Intelligent valve electric actuator 智能型阀门电动装置 Standard Type GBT ICS 23.060.99 CCS J16 Status 现行 Issue Date 2012-05-11 Implementation 2012-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A