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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41/00
After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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C04B41/53
involving the removal of at least part of the materials of the treated article,; e.g. etching, drying of hardened concrete
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C04B41/5369
Desalination, e.g. of reinforced concrete
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