Method and device for applying electron-emissive coatings to coating-supports of indirectly heated thermionic cathodes of electric discharge tubes,申请号US19580730633-传众专利搜索

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发明名称	Method and device for applying electron-emissive coatings to coating-supports of indirectly heated thermionic cathodes of electric discharge tubes
摘要
申请公布号	US3020224(A)	申请公布日期	1962.02.06
申请号	US19580730633	申请日期	1958.04.24
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	BLANK HANS HINRICH;ZANTEN PIETER GEERT VAN;KUIPER ADRIANUS;ALMER FRIEDRICH HERMANN RAYMUND
分类号	H01J9/06	主分类号	H01J9/06
代理机构		代理人
主权项
地址

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