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E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
E04B7/00—Roofs; Roof construction with regard to insulation
E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
E04B7/205—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having non-structural supports for roofing materials
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04C3/00—Structural elongated elements designed for load-supporting
E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
E04C3/205—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members with apertured web, e.g. frameworks, trusses
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FR57030D1946-08-131946-08-13Mode d'érection de constructions en béton armé, avec des éléments d'ossature préfabriqués
ExpiredFR57030E
(fr)
Perfectionnements apportés aux modes d'assemblage d'éléments préfabriqués et par exemple, en béton armé, pour l'édification de maisons, hangars, etc.