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Application filed by Григорій Валер'янович Петрунькін, Григорий Валерьянович ПетрунькинfiledCriticalГригорій Валер'янович Петрунькін
Priority to UA96104058UpriorityCriticalpatent/UA201U/uk
Publication of UA201UpublicationCriticalpatent/UA201U/uk