| 申请人 |
LENINGRADSKY TEKHNOLOGICHESKY INSTITUT TSELL-BUM PROMYSH;MARIISKY FIL VSES N-I INST BUMAGI |
发明人 |
BUSHMELEV VASILY AFANASIEVICH;AMELIN VLADIMIR EGOROVICH;FEDOTOV EVGENY SERGEEVICH;RYABKOV ALEXANDR VASILIEVICH;POPOV VLADIMIR MIKHAILOVICH;STRELNIKOV VYACHESLAV SEMENOVICH |
