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B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
B28B17/0027—Accessories for obtaining rubblestones
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Ceramic Engineering
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FR635233D1926-06-021927-05-30
Process for the preparation of fissile or cleavable plates, or similar ceramic paste products of all kinds
ExpiredFR635233A
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