BG45284
DRAGANOVA,RAJJNA JJ.,BG, NENKOVA,SANCHI K.,BG, CHANKOVA,NATASHA P.,BG, NIKOLAEVA,ZOJA D.,BG
Year of Publication 15.05.1989
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Year of Publication 15.05.1989
Patent
COMPOSITION FOR MANUFACTURE OF FIBROUS MATERIALS FROM PLANT RAW- MATERIALS
V'LCHEV,VLADIMIR I.,BG, V'LCHEV,IVO V.,BG, DRAGANOVA,RAJJNA JJ.,BG, PETROVA,LILJANA D.,BG
Year of Publication 14.10.1988
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Year of Publication 14.10.1988
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COMPOSITION FOR DELIGNIFYING OF PLANT RAW MATERIALS
V'LCHEV,VLADIMIR I.,BG, V'LCHEV,IVO V.,BG, DRAGANOVA,RAJJNA JJ.,BG, IKONOPISOVA,BAGRJANA P.,BG, IVANOVA,NADEZHDA M.,BG
Year of Publication 15.07.1988
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Year of Publication 15.07.1988
Patent
BG44952
MARKOV,STEFAN N.,BG, V'LCHEV,VLADIMIR I.,BG, V'LCHEV,IVO V.,BG, GENEV,SERGEJJ I.,BG, DRAGANOVA,RAJJNA JJ.,BG, VIDIMSKI,EVSTATI P.,BG, NENKOVA,SANCHI K.,BG
Year of Publication 15.03.1989
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Year of Publication 15.03.1989
Patent