Electrical musical instrument,申请号US19330659667-传众专利搜索

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发明名称	Electrical musical instrument
摘要
申请公布号	US2142580(A)	申请公布日期	1939.01.03
申请号	US19330659667	申请日期	1933.03.06
申请人	HAMMOND INSTRUMENT COMPANY	发明人	WILLIAMS CHARLES E.
分类号	G10H1/02	主分类号	G10H1/02
代理机构		代理人
主权项
地址

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