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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
B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
B28B7/368—Absorbent linings
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Ceramic Engineering
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Mechanical Engineering
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FR580535D1923-04-271924-04-22
Improvements to processes and devices for concrete molding
ExpiredFR580535A
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