Perfectionnements aux électrodes pour tubes à décharge,申请号FRD1027127-传众专利搜索

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发明名称	Perfectionnements aux électrodes pour tubes à décharge
摘要
申请公布号	FR1027127(A)	申请公布日期	1953.05.07
申请号	FRD1027127	申请日期	1950.11.02
申请人	SOCIETE FRANCAISE RADIO-ELECTRIQUE	发明人
分类号	H01J1/26	主分类号	H01J1/26
代理机构		代理人
主权项
地址

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