申请人 |
PHILIPOV, DIMITAR BLAGOEV, SOFIA, BG;BARANOV, VALERI DIMITROV, SOFIA, BG;NINOV, GAVRIL IVANOV, SOFIA, BG;PENCHEV, IVAN TZACHEV, SOFIA, BG;VALKOV, DIMITAR PETROV, SOFIA, BG |
发明人 |
PHILIPOV, DIMITAR BLAGOEV, SOFIA, BG;BARANOV, VALERI DIMITROV, SOFIA, BG;NINOV, GAVRIL IVANOV, SOFIA, BG;PENCHEV, IVAN TZACHEV, SOFIA, BG;VALKOV, DIMITAR PETROV, SOFIA, BG |