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Publication of FR909396ApublicationCriticalpatent/FR909396A/fr
E04C1/00—Building elements of block or other shape for the construction of parts of buildings
E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
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FR909396D1945-02-221945-02-22Procédé de fabrication et d'emploi d'un bloc de construction
ExpiredFR909396A
(fr)