Process of manufacturing cathodes for electric discharge tubes,申请号US19470731142-传众专利搜索

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发明名称	Process of manufacturing cathodes for electric discharge tubes
摘要
申请公布号	US2463727(A)	申请公布日期	1949.03.08
申请号	US19470731142	申请日期	1947.02.26
申请人	HARTFORD NATIONAL BANK AND TRUST COMPANY	发明人	VEENEMANS CORNELIS FREDERIK;LOOSJES ROBERT
分类号	H01J1/14;H01J9/04	主分类号	H01J1/14
代理机构		代理人
主权项
地址

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