DIRECTLY HEATED TYPE CATHODE FOR CATHODE RAY TUBE AND PROCESS FOR PRODUCING THE SAME CATHODE,申请号GB19770028109-传众专利搜索

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发明名称	DIRECTLY HEATED TYPE CATHODE FOR CATHODE RAY TUBE AND PROCESS FOR PRODUCING THE SAME CATHODE
摘要
申请公布号	GB1562362(A)	申请公布日期	1980.03.12
申请号	GB19770028109	申请日期	1977.07.05
申请人	HITACHI LTD	发明人
分类号	H01J9/04;H01J29/04;(IPC1-7):H01J1/15	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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