Home / Standards / GB/T 16728-2007 GB/T 16728-2007 Active Prestressed concrete ribbed roof slabs 预应力混凝土肋形屋面板 Standard Type GBT ICS 91.060.20 CCS P32 Status 现行 Issue Date 2007-09-11 Implementation 2008-02-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A