GB 9644-1988

Unplasticized polyvinyl chloride (PVC-U) pipes and fittings for drinking water supply--Extractability of leadtincadmium and mercury occurring as impurities--Test method and permitted levels

NORMA vydána dne 8.7.1988

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The information about the standard:

Designation standards: GB 9644-1988
Note: NEPLATNÁ
Publication date standards: 8.7.1988
Country: Chinese technical standard
Kategorie: Technické normy GB