Home / Standards / GB 29444-2012 GB 29444-2012 Active The norm of the energy consumption per unit product of coal underground mining 煤炭井工开采单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F10 Status 现行 Issue Date 2012-12-31 Implementation 2013-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委