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E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
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FR616705D1926-05-271926-05-27Armatures métalliques pour constructions en ciment armé
ExpiredFR616705A
(fr)