Exhibition of medical equipment in Rostov-on-Don

June 1-22, 1976. USSR. Rostov-on-Don. Designer of the Bulgarian Institute of Medical Technology Rumiana Belinska during a demonstration of the portable device "Tonus-2" for the treatment of neuromuscular diseases at an exhibition of the latest medical technology of the member countries of the Council for Mutual Economic Assistance, organized by the Coordination Center for the Development of Medical Technology and the All-Union Scientific Medical and Technical Society, in the "Express" pavilion. The exact date of the photo is unknown. Isaak Dynin/TASS