Tube électronique et ses broches,申请号FRD1054740-传众专利搜索

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发明名称	Tube électronique et ses broches
摘要
申请公布号	FR1054740(A)	申请公布日期	1954.02.12
申请号	FRD1054740	申请日期	1952.04.21
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J19/50	主分类号	H01J19/50
代理机构		代理人
主权项
地址

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