
Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR]foamed-plastics and high density polyethylene [PE]casing pipes
NORMA vydána dne 31.12.2012
Designation standards: GB/T 29047-2012
Note: NEPLATNÁ
Publication date standards: 31.12.2012
Country: Chinese technical standard
Kategorie: Technické normy GB