MEJORAS INTRODUCIDAS EN LOS CáTODOS DE TUBOS ELECTRoNICOS,申请号ES19370001842-传众专利搜索

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发明名称	MEJORAS INTRODUCIDAS EN LOS CáTODOS DE TUBOS ELECTRoNICOS
摘要
申请公布号	ES184237(A1)	申请公布日期	1948.12.01
申请号	ES19370001842	申请日期	1948.06.23
申请人	COMPAGNIE DES LAMPES	发明人
分类号	(IPC1-7):H01	主分类号	(IPC1-7):H01
代理机构		代理人
主权项
地址

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