
Polyethylene structure-wall piping system for underground usage—Part 2:Polyethylene Spirally enwound structure-wall pipes
NORMA vydaná dňa 15.3.2004
Designation standards: GB/T 19472.2-2004
Note: NEPLATNÁ
Publication date standards: 15.3.2004
Country: Chinese technical standard
Kategória: Technické normy GB