Home / Standards / GB/T 26657-2011 GB/T 26657-2011 Active Evaluation of energy consumption for sand mold baking oven 砂型烘干炉能耗评定 Standard Type GBT ICS 25.180.01 CCS J31 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委