Electron multiplier device,申请号US19350004316-传众专利搜索

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发明名称	Electron multiplier device
摘要
申请公布号	US2144239(A)	申请公布日期	1939.01.17
申请号	US19350004316	申请日期	1935.01.31
申请人	RADIO CORPORATION	发明人	ZWORYKIN VLADIMIR K.
分类号	H01J43/22	主分类号	H01J43/22
代理机构		代理人
主权项
地址

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