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B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects
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Ceramic Engineering
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FR416206D1910-04-181910-04-18Procédé et appareil pour la préparation des monolithes creux
ExpiredFR416206A
(fr)