Home / Standards / GB 21351-2008 GB 21351-2008 Abolished The norm of energy consumption per unit products of wrought aluminium alloy extruded profiles for architecture 铝合金建筑型材单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2008-01-09 Implementation 2008-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A