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Application filed by Александр Олегович Коптелов, Михаил Петрович БондарьfiledCriticalАлександр Олегович Коптелов
Priority to UAU200906194UpriorityCriticalpatent/UA45220U/en
Publication of UA45220UpublicationCriticalpatent/UA45220U/en
Sound-transmitting film for microphone, sound-transmitting film member for microphone provided with the film, microphone, and electronic device provided with microphone