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
NORM herausgegeben am 15.10.2009
Designation standards: GB/T 18477.3-2009
Note: UNGÜLTIG
Publication date standards: 15.10.2009
Country: Chinese technical standard
Kategorie: Technische Normen GB