Patent classifications
C
CHEMISTRY; METALLURGY
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C04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
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C04B33/02
Preparing or treating the raw materials individually or as batches
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C04B33/13
Compounding ingredients
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C04B33/131
Inorganic additives
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