Perfectionnements aux systèmes de télévision,申请号FRD927257-传众专利搜索

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发明名称	Perfectionnements aux systèmes de télévision
摘要
申请公布号	FR927257(A)	申请公布日期	1947.10.24
申请号	FRD927257	申请日期	1946.05.23
申请人	PYE LIMITED	发明人
分类号	H03K7/00;H04N7/084	主分类号	H03K7/00
代理机构		代理人
主权项
地址

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