Structural elongated elements designed for load-supporting (as building aids E04G)

Child Classifications

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• E04C 3/005
• E04C 3/02 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; )
• E04C 3/30 Columns; Pillars; Struts (not designed for end loading E04C3/02; posts, masts, as independent structures E04H12/00)
• E04C 3/38 Arched girders or portal frames (straight girders able to be bent E04C3/02; inflatable E04H15/20)