ELECTRIC DISCHARGE TUBES,申请号CAD474622-传众专利搜索

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发明名称	ELECTRIC DISCHARGE TUBES
摘要
申请公布号	CA474622(A)	申请公布日期	1951.06.19
申请号	CAD474622	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	ADRIANUS JOHANNES WILHELMUS MARIE VAN OVERBEEK
分类号		主分类号
代理机构		代理人
主权项
地址

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