High vacuum hot cathode tubes for large powers,申请号GB19430003354-传众专利搜索

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发明名称	High vacuum hot cathode tubes for large powers
摘要
申请公布号	GB568300(A)	申请公布日期	1945.03.28
申请号	GB19430003354	申请日期	1943.03.01
申请人	AKTIENGESELLSCHAFT BROWN, BOVERI & CIE.	发明人
分类号	H01J19/74	主分类号	H01J19/74
代理机构		代理人
主权项
地址

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