UN TUBO DE DESCARGA DE ALTO VACiO, DE LA CLASE QUE COMPRENDE ELECTRODOS FRiOS,申请号ES19390002086-传众专利搜索

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发明名称	UN TUBO DE DESCARGA DE ALTO VACiO, DE LA CLASE QUE COMPRENDE ELECTRODOS FRiOS
摘要
申请公布号	ES208639(A1)	申请公布日期	1953.07.01
申请号	ES19390002086	申请日期	1953.04.06
申请人	PHILIPS'GLOEILAMPENFABRIEKEN, N. V.	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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