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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
C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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Ceramic Engineering
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FR643764D1926-11-261927-11-10Procédé perfectionné pour fabriquer des briques réfractaires poreuses et des corps analogues
ExpiredFR643764A
(fr)