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C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B7/00—Hydraulic cements
C04B7/02—Portland cement
C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
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FR17322D1912-05-111912-10-21Procédé de fabrication de ciment ou de chaux hydraulique au moyen du platre
ExpiredFR17322E
(fr)