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PCE
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CPC Subgroup
E04C 3/11

with non-parallel upper and lower edges, e.g. roof trusses (arched girders, portal frames E04C3/38)

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 non-parallel upper and lower edges, e.g. roof trusses (arched girders, portal frames E04C3/38)