Home / Standards / GB/T 17841-2008 GB/T 17841-2008 Active Heat strengthened glass 半钢化玻璃 Standard Type GBT ICS 81.040.20 CCS Q34 Status 现行 Issue Date 2008-10-15 Implementation 2009-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A