Musical instrument working through a keyboard and a photoelectric cell,申请号US19280277667-传众专利搜索

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发明名称	Musical instrument working through a keyboard and a photoelectric cell
摘要
申请公布号	US1948996(A)	申请公布日期	1934.02.27
申请号	US19280277667	申请日期	1928.05.14
申请人	STE DE RECHERCHES ET DE PERFECTIONNEMENTS INDUSTRIELS	发明人	TOULON PIERRE MARIE GABRIEL
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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