Transmission of sound and pictures,申请号US19290409128-传众专利搜索

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发明名称	Transmission of sound and pictures
摘要
申请公布号	US2022505(A)	申请公布日期	1935.11.26
申请号	US19290409128	申请日期	1929.11.22
申请人	GENERAL ELECTRIC COMPANY	发明人	HARTLEY LOWELL J.
分类号	H04N3/38	主分类号	H04N3/38
代理机构		代理人
主权项
地址

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