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PCE
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CPC Subgroup
E04C 3/44

of concrete or other stone-like material, e.g. with reinforcements or tensioning members (E04C3/46 takes precedence)

Full Title

Structural elongated elements designed for load-supporting (as building aids E04G) > Arched girders or portal frames (straight girders able to be bent E04C3/02; inflatable E04H15/20) > of concrete or other stone-like material, e.g. with reinforcements or tensioning members (E04C3/46 takes precedence)