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Application filed by Л.М. Мирец-Имшенецкая, Л.М. Мирец-Имшенецка, В.И. Мирец-ИмшенецкийfiledCriticalЛ.М. Мирец-Имшенецкая
Priority to SU136948ApriorityCriticalpatent/SU41170A1/en
Application grantedgrantedCritical
Publication of SU41170A1publicationCriticalpatent/SU41170A1/en