| 申请人 |
INSTITUT KHIMII I TEKHNOLOGII I REDKIKH ELEMONTOV I MINERALNOGO SYRYA KOLSKOGO FILIALA AKADEMII NAUK SSSR |
发明人 |
MOTOV DAVID LAZAREVICH;TJURKINA LJUDMILA PETROVNA;GODNEVA MARIA MOISEEVNA;METELKIN ALEXANDR IVANOVICH;KOLESNIKOVA NINA IVANOVNA;YAKUSHEVA GALINA GRIGORIEVNA |
