ISO 4422:1990/Amd.1:1992
Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply; specifications; amendment 1

Заменен на ISO 4422-2(1996.12)*ISO 4422-1(1996.12)*ISO 4422-3(1996.12)
 

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Завершение срока действия 01.04.1997
Опубликован 01.11.1992

Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply; specifications; amendment 1