METHOD OF MANUFACTURING FILAMENT OF ELECTRON EMITTING ELEMENT,申请号JP19770038949-传众专利搜索

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发明名称	METHOD OF MANUFACTURING FILAMENT OF ELECTRON EMITTING ELEMENT
摘要
申请公布号	JPS52122457(A)	申请公布日期	1977.10.14
申请号	JP19770038949	申请日期	1977.04.04
申请人	RCA CORP	发明人	ROBAATO AREN GANJI
分类号	H01J9/04	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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