申请人 |
NIKOLAI KONSTANTINOVICH BARKOV;NATALYA FEDOROVNA KUCHEROVA;NIKOLAI KONSTANTINOVICH KOCHETKOV;IZIDA GRIGORIEVNA ZHUKOVA;NINA MIKHAILOVNA SHARKOVA |
发明人 |
NIKOLAI KONSTANTINOVICH BARKOV;NATALYA FEDOROVNA KUCHEROVA;NIKOLAI KONSTANTINOVICH KOCHETKOV;IZIDA GRIGORIEVNA ZHUKOVA;NINA MIKHAILOVNA SHARKOVA |