BIFILARLY WOUND FILAMENT FOR CATHODES OF ELECTRIC DISCHARGE TUBES,申请号CAD618688-传众专利搜索

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发明名称	BIFILARLY WOUND FILAMENT FOR CATHODES OF ELECTRIC DISCHARGE TUBES
摘要
申请公布号	CA618688(A)	申请公布日期	1961.04.18
申请号	CAD618688	申请日期
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人	HANS H. BLANK
分类号		主分类号
代理机构		代理人
主权项
地址

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