Home / Standards / GB/T 9772-2009 GB/T 9772-2009 Active Fiber cement corrugated sheets and ridge tile 纤维水泥波瓦及其脊瓦 Standard Type GBT ICS 91.100.40 CCS Q14 Status 现行 Issue Date 2009-03-09 Implementation 2009-11-05 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A