Improvements in or relating to electron discharge devices having light-sensitive cathodes,申请号GB19430011493-传众专利搜索

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发明名称	Improvements in or relating to electron discharge devices having light-sensitive cathodes
摘要
申请公布号	GB567190(A)	申请公布日期	1945.02.01
申请号	GB19430011493	申请日期	1943.07.14
申请人	FRANCOIS JOSEPH GERARD VAN DEN BOSCH;ERNEST THOMAS JAMES TAPP;VACUUM-SCIENCE PRODUCTS LIMITED	发明人
分类号	H01J40/04	主分类号	H01J40/04
代理机构		代理人
主权项
地址

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