Elektrische Entladungsroehre, die wenigstens drei Gitter enthaelt,申请号DE1941N002293D-传众专利搜索

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发明名称	Elektrische Entladungsroehre, die wenigstens drei Gitter enthaelt
摘要
申请公布号	DE851229(C)	申请公布日期	1952.10.02
申请号	DE1941N002293D	申请日期	1941.12.24
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	ALMA GERRIT HENDRIK PETRUS;DAMMERS BERNHARDUS GERHARDUS
分类号	H01J19/00	主分类号	H01J19/00
代理机构		代理人
主权项
地址

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