Home / Standards / GB/T 33600-2017 GB/T 33600-2017 Active Sandwich composite wallboard with porous concrete using metal tailings 金属尾矿多孔混凝土夹芯系统复合墙板 Standard Type GBT ICS 91.110 CCS Q92 Status 现行 Issue Date 2017-07-12 Implementation 2018-06-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A