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Publication of FR1208866ApublicationCriticalpatent/FR1208866A/fr
E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
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FR1208866D1957-11-261958-11-25Matériau isolant de remplissage et procédé de fabrication de ce matériau
ExpiredFR1208866A
(fr)