WETTING ADDITIVE TO SULPHURIC ACID ELECTROLYTE FOR BRILLIANT COPPER PLATING von STOJJCHEV,DIMITR S, TODOROV,IVAN M, MIRCHEVA,VERA V, STEFANOV,STEFAN R, STOIMENOV,GEORGI B, SIMEONOV,ALEKSANDR K, POPOVA,ILINKA P, MAZHDRAKOV,BOJAN G, VRGOV,ILIJA T, SHENKOV,STOJJCHO D, PETKOVA,NIKOLINKA K

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DEMULSIFIER FOR DESALTING AND DEWATERING OF PETROLEUM AND METHOD OF ITS OBTAINING von KANARIEV,KOSTADIN G, VLOV,ILIJA T, MINKOV,DIMITR M, PRODANOVA,MARIJA G, KOVACHEVA,KERKA I, IVANOV,GEORGI A, MANCAROV,BOGDAN Z.,BG MAZHDRAKOV,BOJAN G, IVANOV,ATANAS S, PREMJANOVA,JJORDANKA K, SIMEONOV,ALEKSANDR K, VLKOV, PAVEL I

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ADDITIVE FOR HYDROCARBON FUEL FOR INTERNAL COMBUSTION ENGINES von KHAZAROSJAN,ALEKSAND'R K.,BG, DIMITROV,CVETAN I.,BG, DIMOV,IVAN P.,BG, K'RSHEV,BORIS G.,BG, VASILEV,DIMO JJ.,BG, SIMEONOV,ALEKSAND'R K.,BG, POPOV,DIMO D.,BG, MAZHDRAKOV,BOJAN G.,BG, BAK'RDZHIEV,MARIO N.,BG, MARKOV,IVAN I.,BG, VASILEVA,TATJANA D.,BG

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