Home / Standards / GB/T 20902-2007 GB/T 20902-2007 Active Specification for equipping and managing of the measuring instrument of energy in the nonferrous metals smelters 有色金属冶炼企业能源计量器具配备和管理要求 Standard Type GBT ICS 27.010 CCS F01 Status 现行 Issue Date 2007-04-16 Implementation 2007-10-01 Responsible Dept 国家标准委 Drafting Unit N/A