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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
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Ceramic Engineering
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Materials Engineering
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FR653695D1927-06-301928-05-02
Hydraulic cement and its manufacturing process
ExpiredFR653695A
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