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   Hiszpański
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do fraz
betún m
posp. shoeshine
bud. pitch
chem. cream for footwear; polish
ochr.środ. bitumen A generic term applied to natural inflammable substances of variable colour, hardness, and volatility, composed principally of a mixture of hydrocarbons substantially free from oxygenated bodies. Bitumens are sometimes associated with mineral matter, the nonmineral constituents being fusible and largely soluble in carbon disulfide, yielding water-insoluble sulfonation products. Petroleum, asphalts, natural mineral waxes, and asphaltites are all considered bitumens
patent. bitumen; shoe polish
ropa / r. asphalt; asphalt cement
betun: 61 do fraz, 13 tematyki
Budownictwo22
Chemia15
Inżynieria materiałowa2
Inżynieria mechaniczna2
Ogrodnictwo hortologia1
Opieka zdrowotna1
Patenty2
Pospolicie3
Przemysł energetyczny1
Rolnictwo3
Ropa / ropa naftowa3
Transport4
Węgiel2