Home / Standards / GB/T 5696-2006 GB/T 5696-2006 Active Prestressed concrete pipe 预应力混凝土管 Standard Type GBT ICS 91.100.30 CCS Q14 Status 现行 Issue Date 2006-09-08 Implementation 2007-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A