Improvements in television devices,申请号GB19490021191-传众专利搜索

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发明名称	Improvements in television devices
摘要
申请公布号	GB697645(A)	申请公布日期	1953.09.30
申请号	GB19490021191	申请日期	1949.08.15
申请人	HENRI GEORGES MARIE DE FRANCE	发明人
分类号	H04N3/32;H04N3/34;H04N3/36;H04N7/08;H04N11/12;H04N11/18	主分类号	H04N3/32
代理机构		代理人
主权项
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