GB/T 29047-2021

Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes

NORMA vydaná dňa 20.8.2021

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The information about the standard:

Designation standards: GB/T 29047-2021
Publication date standards: 20.8.2021
Country: Chinese technical standard
Kategória: Technické normy GB