Home / Standards / GB 28736-2012 GB 28736-2012 Abolished Minimum allowable values of energy efficiency and energy efficiency grades for arc welding machines 电弧焊机能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2012-11-05 Implementation 2013-06-01 Responsible Dept 国家标准委 Drafting Unit N/A