Electron discharge device control system,申请号US19330677069-传众专利搜索

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发明名称	Electron discharge device control system
摘要
申请公布号	US2145088(A)	申请公布日期	1939.01.24
申请号	US19330677069	申请日期	1933.06.22
申请人	AKTIENGESELLSCHAFT BROWN BOVERI & CIE.	发明人	KOBEL ERNST
分类号	H02M1/04	主分类号	H02M1/04
代理机构		代理人
主权项
地址

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