DEVICE FOR TELECOMMUNICATION TESTING OF ONE- AND MULTI-STAGE MULTI-MEDFIA ENCODED WRAPPER MARKING ON PRODUCTS von ZHELEV, GEORGI ZH, ZHELEV, ZHIVKO G

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DEVICE FOR TELECOMMUNICATION TESTING OF ENCODED WRAPPER MARKING ON PRODUCTS FOR THE PROTECTION AND CONTROL OF THEIR ORIGINALITY von ZHELEV, GEORGI ZH, ZHELEV, ZHIVKO G

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METHOD FOR WORKING ON ORES AND MINERALS IN UNSTEADY FILTING ROCKS von VASILEV, ATANAS TS, ZHELEV, VALAO ZH, GEORGIEV, GEORGI T, STEFANOV, GEORGI J

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DEVICE FOR HYDROPLASTIC TREATMENT OF INNER CYLINDRIC SURFACES von ZHELEV,VENELIN ZH, ATANASOVA,JJORDANKA R, PETKOV,GEORGI K, NECOV,NIKOLA M, DEEVSKI,STEFAN K, DRAGNEV,STEFAN S, TODOROV,TODOR S, RADEV,NIKOLAJJ I

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BG45263 von NECOV,NIKOLA M.,BG, DRAGNEV,STEFAN S.,BG, NAJJDENOV,IVAN KH.,BG, METEV,GEORGI M.,BG, FILIPOVSKI,PLAMEN D.,BG, MILCHEVA,NADKA M.,BG, B'RZAKOV,VALENTIN JJ.,BG, PETKOV,GEORGI K.,BG, ZHELEV,VENELIN ZH.,BG

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METHOD FOR REGENARATING ALUMOSILICATE ZEOLITE CONTAINING CATALYST IN INSTALLATION FOR CATALYTIC CRACKING OF FLUID TYPE von ZHELEV,VASIL ZH, MARKHOLEV,PANAJJOT G, LJUCKANOV,TODOR N, SARIEV,IVAN T, BCHVAROVA,ZHULIETA P, DJAKOV,VELISLAV S, SOKUROV,ATANAS P, KHRISTOFOROV,SOKRAT S, PAPUDZHIKOV,GEORGI D, LVCHIEV,DIMITR P

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TWO- LINE HYBRID PIG von MITEV, MITJU K, VELIKOV, VELIKO P, BEREMSKI, STANCHO S, MACHEV, MIKHAIL A, KANEV, DELCHO ZH, MLADENOV, MLADEN G, VASILEV, TSVJATKO KH, ZLATEV, DIMITAR G, MARINOV, DIMITAR S, PARASHKEVOV, BORISLAV D, DIMOV, JAKIM M, PETROV, ALEKSI S, PETROV, STOJAN R, ZHELEV, ALEKSANDAR I, PETEV, PENCHO D, MUTAFCHIEV, MITKO D, BENKOV, MITKO I, GEORGIEV, GEORGI D, JANAKIEV, KIRIL V, STOJCHEV, STOJCHO S

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