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Application filed by Fanni I Rubenstejn, Vera I Osemkova, Alevtina A Demidova, Svetlana V Mareviceva, Alexandr P Jakovlev, Valentin B Geflin, Valentin P KuznecovfiledCriticalFanni I Rubenstejn
Priority to CS85928ApriorityCriticalpatent/CS266219B1/en
Publication of CS92885A1publicationCriticalpatent/CS92885A1/en
Publication of CS266219B1publicationCriticalpatent/CS266219B1/en