Home / Standards / GB/T 9775-2008 GB/T 9775-2008 Abolished Gypsum plasterboard 纸面石膏板 Standard Type GBT ICS 91.100.10 CCS Q62 Status 废止 Issue Date 2008-06-30 Implementation 2009-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A