Electron discharge device,申请号US19410421298-传众专利搜索

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发明名称	Electron discharge device
摘要
申请公布号	US2347797(A)	申请公布日期	1944.05.02
申请号	US19410421298	申请日期	1941.12.02
申请人	KLAAS POSTHUMUS;MICHEL PENNING FRANS;GERARDUS DORGELO EDUARD;CORNELIS VERBURG	发明人	POSTHUMUS KLAAS;PENNING FRANS MICHEL;DORGELO EDUARD GERARDUS;VERBURG CORNELIS
分类号	H01J25/16	主分类号	H01J25/16
代理机构		代理人
主权项
地址

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