| 申请人 |
VG SP BYURO PO PROVEDENIYU PUSKONALADOCHNYKH PK RABOT V TSEMENTNOJ PROMYSHLENNOSTI.MINISTERSTVA PROMY STROITELNYKH MATERIALOV SSSR;INST PROBLEM LITYA AN USSR |
发明人 |
BARSHADSKIJ ABRAM G,SU;PEREVEZENTSEV ALEKSANDR A,SU;RASTEGAEVA GENRIETTA G,SU;KHAN BORIS KH,SU;SEMIN VLADIMIR M,SU;KOMARETS GENRIETTA S,SU |
