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B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B1/00—Producing shaped prefabricated articles from the material
B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
Structure porteuse en beton arme, procede pour sa realisation ainsi qu'element prefabrique en beton arme, bati de coffrage et procede pour la fabrication d'elements prefabriques en beton arme et elements prefabriques en forme de caissons comportant des plaques jumelees