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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
B28B7/06—Moulds with flexible parts
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FR863080A1961-05-271961-05-27Procédé de moulage perfectionné évitant l'auto-démoulage, moyens de sa mise en oeuvre et objets ainsi obtenus
ExpiredFR1297921A
(fr)