METHOD FOR SIMULTANEOUS PREPARING MANGANIC CARBONATE AND CALCIUM SULPHATE FROM MANGANIC ORE von VODENICHAROV, PIRIN I, NANKOV, NANAO A

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COMPLEX ADDITIVE FOR CEMENT von VODENICHAROV, PIRIN I, MARKOVA, ANASTASIJA D, NANKOV, NANKO A, VALCHEVA, SNEZHANA I

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METHOD FOR PREPARING OF MANGANESE CARBONATE von NANKOV,NANKO A, HHONEVA,OLIVERA S, VODENICHAROV,PIRIN I, RANGELOVA,MARIJA Z, KJATEVA,GANKA S

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METHOD FOR PROCESSING OF WATER- CONTAINING CULTURAL LIQUIDS AT AN ANTIBIOTIC MANUFACTURE von VODENICHAROV, PIRIN I, VODENICHAROV, RUMEN I, SHTEREV, DIMITAR G, NANKOV, NANKO A, VASILEV, KHRISTO D, GROZDANOV, GEORGI A

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ADDITIVE FOR PORTLAND CEMENT CLINKER von TOSHEVA,DONKA I.,BG, VODENICHAROV,PIRIN I.,BG, HHEREV,DIMIT'R G.,BG, NANKOV,NANKO A.,BG, V'LCHEVA,SNEZHANA I.,BG

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BG44790 von STOJANOVA,GINKA K.,BG, DANOV,NIKODIM D.,BG, GEORGIEV,TODOR G.,BG, GUDEV,NIKOLAJJ K.,BG, VODENICHAROV,PIRIN I.,BG, DIMITRIEV,ANDREJJ S.,BG, CHAK'RJAN,LILJANA S.,BG, NANKOV,NANKO A.,BG, V'LCHEVA,SNEZHANA I.,BG, KOL'OVSKI,VASIL P.,BG, KHRISTAKIEVA,LJUBA I.,BG

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METHOD FOR PREVENTING HEAT-EXCHANGING EQUIPMENTS FROM CORROSION von GEORGIEV,GEORGI G, VLKOVA,MARIJA V, KOZOV,BORIS P, VODENICHAROV,PIRIN I, TILOV,NIKOLAJJ G

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