Home / Standards / GB 24911-2010 GB 24911-2010 Active Bowl-coupler type steel tube scaffolding member 碗扣式钢管脚手架构件 Standard Type GB ICS 91.220 CCS P97 Status 现行 Issue Date 2010-08-09 Implementation 2011-06-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A