GB/T 18477.3-2009
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18477.3-2009
Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage - Part 3: Bilayer and hollow-wall construction with axial hollow pipes 埋地排水用硬聚氯乙烯(PVC-U)结构壁管道系统 第3部分:双层轴向中空壁管材
Issued Date:2009-10-15
Implemented Date:2010-03-01
Issued by:
The Standardization Administration of the People's Republic of China