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Priority to JP47053551ApriorityCriticalpatent/JPS4911114A/ja
Priority to US00364257Aprioritypatent/US3825668A/en
Priority to GB2576573Aprioritypatent/GB1399179A/en
Publication of JPS4911114ApublicationCriticalpatent/JPS4911114A/ja
Electronic musical instrument capable of providing a third type of musical tones by operation of two keyboards in addition to the ordinary melody and chord tones
Electronic musical instrument capable of providing a third type of musical tones by operation of two keyboards in addition to the ordinary melody and chord tones