Home / Standards / GB 13545-2003 GB 13545-2003 Abolished Fired hollow bricks and blocks 烧结空心砖和空心砌块 Standard Type GB ICS 91.100.15 CCS Q15 Status 废止 Issue Date 2003-02-11 Implementation 2003-10-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A