Home / Standards / GB 29140-2012 GB 29140-2012 Abolished The norm of energy consumption per unit product of soda ash 纯碱单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2012-12-31 Implementation 2013-10-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委