Ductile iron pipes, fittings and accessories for pressure pipelines
Tuyaux, raccords et pièces accessoires en fonte ductile pour canalisations avec pression
23.040.10 - Iron and steel pipes.
23.040.40 - Metal fittings.
77.140.75 - Steel pipes and tubes for specific use. Including hollow steel bars and sections for construction
Anula a: ISO 2531:1986
Es anulada por: ISO 2531:1998
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