Tube à décharges électriques,申请号FRD789000-传众专利搜索

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发明名称	Tube à décharges électriques
摘要
申请公布号	FR789000(A)	申请公布日期	1935.10.21
申请号	FRD789000	申请日期	1935.04.18
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J5/58;H01J61/54	主分类号	H01J5/58
代理机构		代理人
主权项
地址

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