| 申请人 |
LENINGRADSKIJ ORDENA LENINA INSTITUT INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA IM. AKADEMIKA V.N.OBRAZTSOVA;LENINGRADSKIJ ORDENA LENINA METROPOLITEN IM. V.I.LENINA |
发明人 |
BOBROVNIKOV NIKOLAJ ALEKSANDROVICH;SERGEEV STANISLAV NIKOLAEVICH;KANASHNIK ANATOLIJ IVANOVICH;MINCHENKO YAKOV IVANOVICH |
