BG45110
KARAG'OZOV,STANJU K.,BG, CHAL'KOVA,MARIJANA D.,BG, ZDRAVKOVA,ZDRAVKA T.,BG, IVANOVA,JJORDANKA P.,BG, PASKOV,VLADIMIR D.,BG, CHAL'KOV,DIMIT'R I.,BG, GENOV,GENO M.,BG, IVANOVA,NEDJALKA S.,BG, CHERVENAKOV,PETKO A.,BG, MOMCHILOVA,SNEZHANA I.,BG, JJORDANOV,SIMEON I.,BG, GEORGIEV,MARKO K.,BG
Year of Publication 14.04.1989
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Year of Publication 14.04.1989
Patent