申请人 |
ANTONINA GRIGORIEVNA POLKOVNIKOVA;LJUDMILA ALEXANDROVNA IVANOVA;NINA GRIGORIEVNA MARKINA;GENRIETTA NIKOLAEVNA TRESCHEVSKAYA |
发明人 |
ANTONINA GRIGORIEVNA POLKOVNIKOVA;LJUDMILA ALEXANDROVNA IVANOVA;NINA GRIGORIEVNA MARKINA;GENRIETTA NIKOLAEVNA TRESCHEVSKAYA |