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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
E04C3/22—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 built-up by elements jointed in line
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FR1044996D1951-11-101951-11-10élément creux ou hourdis pour planchers en béton et sa mise en oeuvre
ExpiredFR1044996A
(fr)
élément de coffrage pour réalisation de maconnerie en béton de remplissage, et procédé de réalisation de maconnerie de remplissage avec l'élément de coffrage