METHOD FOR ROASTING SULPHIDE MATERIALS von RALCHEV,PENCHO I, GERILOVSKI,DIMITR D, ROSENOV,IVAN G, DIMITROV,RUMEN I, SHOPOV,NIKOLA P

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FURNACE FOR ROASTING SULPHIDE MATERIALS IN FLUIDIZED BED von KHEKIMOVA,ANTONINA I, RALCHEV,PENCHO I, GERILOVSKI,DIMITR D, KHADZHIDIMITROV,ATANAS A, MILEV,GEORGI I, DIMITROV,RUMEN I, BALABANOV,JAKIM P, GEORGIEV,GEORGI T, SIMOV,NIKOLA I

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BG45258 von MATROS,JURIJJ SH.,SU, SAPUNDZHIEV,KHRISTO G.,BG, ELENKOV,DIMIT'R G.,BG, LAKHMOSTOV,VIKTOR S.,SU, GERILOVSKI,DIMIT'R D.,BG, GEORGIEV,GEORGI T.,BG, V'RBENOV,SVETOZAR S.,BG, BUNIMOVICH,GRIGORIJJ A.,SU, GOL'DMAN,OLEG V.,SU, GROZEV,GEORGI G.,BG, KOZLOV,VLADIMIR P.,SU, BALASHOV,ALEKSANDR A.,SU

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METHOD FOR RECOVERING ARSENIC FROM SULPHURIC ACID WASHING SOLUTIONS von BAK'RDZHIEV,PET'R N.,BG, ARSOV,ALEKSAND'R G.,BG, KOSTOV,GEORGI JJ.,BG, PETKOV,BORIS A.,BG, V'RBENOV,SVETOZAR S.,BG, GRUEV,IVAN N.,BG, GEORGIEV,DIMIT'R S.,BG, GENEVSKI,VLADIMIR V.,BG, PETROV,DIMIT'R A.,BG, KOTOV,TODOR I.,BG, SIMEONOV,KHRISTO V.,BG, POPOV,KHRISTO P.,BG, STOJJNOV,DIMIT'R I.,BG, TENEV,VENELIN B.,BG, ILIEV,KIRIL S.,BG, GERILOVSKI,DIMIT'R D.,BG, GENCHEV,DINKO G.,BG, LESIDRENSKI,PENCHO D.,BG

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