Tube directeur de courant à cathode liquide,申请号FRD926153-传众专利搜索

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发明名称	Tube directeur de courant à cathode liquide
摘要
申请公布号	FR926153(A)	申请公布日期	1947.09.23
申请号	FRD926153	申请日期	1946.04.30
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J13/48;H01J13/50	主分类号	H01J13/48
代理机构		代理人
主权项
地址

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