Multi-tone photoelectric musical instrument,申请号US19650470449-传众专利搜索

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发明名称	Multi-tone photoelectric musical instrument
摘要
申请公布号	US3405222(A)	申请公布日期	1968.10.08
申请号	US19650470449	申请日期	1965.07.08
申请人	JOACHIM L. HEINZL	发明人	HEINZL JOACHIM L.
分类号	G10H3/06	主分类号	G10H3/06
代理机构		代理人
主权项
地址

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