IMPROVEMENTS IN AND RELATING TO SELF/SUPPORTING DIRECTLY-HEATED CATHODE,申请号GB19690042695-传众专利搜索

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发明名称	IMPROVEMENTS IN AND RELATING TO SELF/SUPPORTING DIRECTLY-HEATED CATHODE
摘要
申请公布号	GB1214759(A)	申请公布日期	1970.12.02
申请号	GB19690042695	申请日期	1969.08.27
申请人	TESLA, NARODNI PODNIK	发明人	JAROSLAV KOVAR;PETR HIX;JOSEF BRABEC
分类号	H01J1/18	主分类号	H01J1/18
代理机构		代理人
主权项
地址

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