3504001 Girders and beams, metal, I shaped
3504002 Girders and beams, metal, H shaped
3504003 Girders and beams, metal, honeycomb
3504004 Girders and beams, metal, welded
3504005 Girders, metal, box section
3504006 Girders, metal, haunch
3504008 Girders, lattice, steel
3504009 Girders, plate, built up, steel
3504010 Girders, metal, extensible
3504013 Girders and beams, metal, for concrete floor reinforcement
3504015 Trusses, metal
3504016 Roof trusses, metal
3504018 Purlins, metal
3504019 Lintels, metal
3504022 Arches, metal
3504024 Pile casings, steel
3504026 Steel tubulars
3504027 Space frame structures, metal
3504030 Load-bearing units, metal, prefabricated
3504031 Frames, iron and steel, structural, for prefabricated buildings
3504032 Frames, tubular metal, for buildings and building elements
3504033 Structural metal fabrications, honeycomb, for the building industry
3504040 Mezzanine floors, metal
3504053 Structural light metal fabrications to customer specification
3504055 Structural steel fabrications to customer specification
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