CPC Subgroup
E04C 3/06 with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence )
Full Title
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 )
2 direct subcodes
Child Classifications
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- E04C 3/07 at least partly of bent or otherwise deformed strip- or sheet-like material