Ductile iron pipes, fittings, accessories and their joints for water or gas applications
Tuyaux, raccords et accessoires en fonte ductile et leurs assemblages pour l'eau ou le gaz
77.140.75 - Steel pipes and tubes for specific use. Including hollow steel bars and sections for construction
91.140.40 - Gas supply systems. Including gas meters in buildings
91.140.60 - Water supply systems. Including water meters in buildings
Anula a: ISO 2531:1991
Es anulada por: ISO 2531:2009
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