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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38/00
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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C04B38/007
characterised by the pore distribution, e.g. inhomogeneous distribution of pores
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C04B38/0074
expressed as porosity percentage
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