GB/T 20221-2023

Unplasticized poly(vinyl chloride) (PVC-U) pipes for non-pressure buried drainage and sewerage systems

NORMA vydána dne 7.9.2023

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The information about the standard:

Designation standards: GB/T 20221-2023
Publication date standards: 7.9.2023
Country: Chinese technical standard
Kategorie: Technické normy GB