| 申请人 |
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNYJ INSTITUT MEKHANICHESKOJ OBRABOTKI POLEZNYKH ISKOPAEMYKH "MEKHANOBR";MOGILEVSKIJ MASHINOSTROITELNYJ INSTITUT |
发明人 |
REVNIVTSEV VLADIMIR IVANOVICH;SIVACHENKO LEONID ALEKSANDROVICH;BILENKO LEONID FEDOROVICH |
