Perfectionnements aux tubes cathodiques tricolores à masques,申请号FRD1175242-传众专利搜索

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发明名称	Perfectionnements aux tubes cathodiques tricolores à masques
摘要
申请公布号	FR1175242(A)	申请公布日期	1959.03.23
申请号	FRD1175242	申请日期	1957.05.16
申请人	RADIO CORPORATION OF AMERICA	发明人
分类号	H01J9/227;H01J29/07;H04N9/20	主分类号	H01J9/227
代理机构		代理人
主权项
地址

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