ELECTRON BEAM TUBE CONTAINING A MULTIPLE CATHODE ARRAY EMPLOYING INDEXING MEANS FOR CATHODE SUBSTITUTION,申请号USD3562575-传众专利搜索

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发明名称	ELECTRON BEAM TUBE CONTAINING A MULTIPLE CATHODE ARRAY EMPLOYING INDEXING MEANS FOR CATHODE SUBSTITUTION
摘要
申请公布号	US3562575(A)	申请公布日期	1971.02.09
申请号	USD3562575	申请日期	1969.09.09
申请人	NASA USA	发明人	LLOYD J. DERR
分类号	H01J3/02;(IPC1-7):H01J9/02	主分类号	H01J3/02
代理机构		代理人
主权项
地址

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