
Unplasticized polyvinyl chloride (PVC-U) structure wall pipline system for underground soil waste and drainage - Part 1: double wall corrugated pipes
NORMA vydána dne 5.12.2007
Designation standards: GB/T 18477.1-2007
Publication date standards: 5.12.2007
Country: Chinese technical standard
Kategorie: Technické normy GB