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UNE 27489
UNE 27489
Civil shipbuilding and ship repairing. Selective lists. Piping and fittings: Butt welding neck steel flanges (ASTM-ANSI)
Titel (englisch)
Civil shipbuilding and ship repairing. Selective lists. Piping and fittings: Butt welding neck steel flanges (ASTM-ANSI)