Home / Standards / GB/T 18477.2-2011 GB/T 18477.2-2011 Active Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and draindge - Part 2: Ultra-Rib pipes 埋地排水用硬聚氯乙烯(PVC-U)结构壁管道系统 第2部分：加筋管材 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2011-12-30 Implementation 2012-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会