Composite signal device,申请号US19350027074-传众专利搜索

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发明名称	Composite signal device
摘要
申请公布号	US2236705(A)	申请公布日期	1941.04.01
申请号	US19350027074	申请日期	1935.06.17
申请人	PHILCO RADIO AND TELEVISION CORPORATION	发明人	CAMPBELL RICHARD L.
分类号	H04N5/06;H04N5/067	主分类号	H04N5/06
代理机构		代理人
主权项
地址

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