at least partly of bent or otherwise deformed strip- or sheet-like material

Structural elongated elements designed for load-supporting > Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms > of metal > with substantially solid, i.e. unapertured, web > at least partly of bent or otherwise deformed strip- or sheet-like material

Structural elongated elements designed for load-supporting (as building aids E04G) > Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; (E04C3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B1/343; ) > of metal (E04C3/29 takes precedence; as reinforcing elements E04C5/06; manufacture B21) > with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence ) > at least partly of bent or otherwise deformed strip- or sheet-like material