Electric reproducer,申请号US19300422263-传众专利搜索

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发明名称	Electric reproducer
摘要
申请公布号	US1916162(A)	申请公布日期	1933.06.27
申请号	US19300422263	申请日期	1930.01.21
申请人	PACENT ELECTRIC COMPANY, INC.	发明人	PARKER OLIVER B.
分类号	H04R9/12	主分类号	H04R9/12
代理机构		代理人
主权项
地址

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