
Polypropylene(PP) structure-wall piping systems for underground drainage and sewerage—Part 2: Polypropylene spirally enwound structure-wall pipes
NORMA vydána dne 28.12.2018
Designation standards: GB/T 35451.2-2018
Publication date standards: 28.12.2018
Country: Chinese technical standard
Kategorie: Technické normy GB