
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
NORMA vydaná dňa 15.10.2009
Designation standards: GB/T 18477.3-2009
Note: NEPLATNÁ
Publication date standards: 15.10.2009
Country: Chinese technical standard
Kategória: Technické normy GB