| 申请人 |
PETERBURGSKIJ INSTITUT INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA;AKTSIONERNOE OBSHCHESTVO OTKRYTOGO TIPA NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNYJ INSTITUT TSEMENTNOJ PROMYSHLENNOSTI "GIPROTSEMENT" |
发明人 |
SVATOVSKAYA MIRA BORISOVNA;SVATOVSKAYA LARISA BORISOVNA;SOLOVEVA VALENTINA YAKOVLEVNA;YAKHNICH IRINA MIKHAJLOVNA |
