Radio dial and log,申请号US19290341761-传众专利搜索

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发明名称	Radio dial and log
摘要
申请公布号	US1764814(A)	申请公布日期	1930.06.17
申请号	US19290341761	申请日期	1929.02.21
申请人	LEE WATSON CHARLES	发明人	WATSON CHARLES LEE
分类号	H03J1/10	主分类号	H03J1/10
代理机构		代理人
主权项
地址

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