申请人 |
S O 'BULGARSKI DARJAVNI JELESNIZI', SOFIA, BG |
发明人 |
STAIKOV, DIPL.-ING., GEORGI TODOROV;GANOV, DIPL.-ING., MILKO MAKAVEEV;BORSCHUKOV, DIPL.-ING., ENYU GEORGIEV;STEFANOV, DIPL.-ING., SWETOSLAV ALEXANDROV;MATOV, DIPL.-ING., PETER IVANOV;POPOV, DIPL.-ING., RUMEN YORDANOV, SOFIA, BG |