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Application filed by Михаил Константинович МахиновfiledCriticalМихаил Константинович Махинов
Priority to UAU201200940UpriorityCriticalpatent/UA67684U/en
Publication of UA67684UpublicationCriticalpatent/UA67684U/en
A closing device comprises a metal cap containing a cylindrical shell and a bottom, in the middle of which a round tear-off portion is made. The metal cap is put on a rubber stopper.