Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and draindge - Part 2: Ultra-Rib pipes
NORM herausgegeben am 30.12.2011
Designation standards: GB/T 18477.2-2011
Publication date standards: 30.12.2011
Country: Chinese technical standard
Kategorie: Technische Normen GB