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Application filed by Микола Дмитрович Штефан, Вілемір Порфирович Зізак, Володимир Петрович Мамич, Владимир Петрович Мамич, Михайло Антонович СупрунfiledCriticalМикола Дмитрович Штефан
Priority to UA96124536UpriorityCriticalpatent/UA148U/uk
Publication of UA148UpublicationCriticalpatent/UA148U/uk