申请人 |
LENINGRADSKY INST. INZHENEROV ZHELEZNOFOROZHNOGO TRANSPORTA IMENI AKADEMIKA NV. OBRAZTSOVA AND KALININSKY VAGONOSTROITELNY ZAVOD |
发明人 |
IVAN IVANOVICH CHELNOKOV;MIKHAILOVICH GARBUZOV;VLADIMIR ANDREEVICH KOSHELEV;GEORGY MIKHAILOVICH LEVIT;ALBERT ALEXANDROVICH MALTSEV;VLADIMIR FEDOROVICH MYACHEV |