Home / Standards / GB 21340-2008 GB 21340-2008 Abolished The norm of energy consumption per unit products of flat glass 平板玻璃单位产品能源消耗限额 Standard Type GB ICS 27.010;81.040.01 CCS Q30 Status 废止 Issue Date 2008-01-09 Implementation 2008-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A