INVERTED TETRODE VACUUM TUBE VOLTMETERS,申请号CAD479010-传众专利搜索

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发明名称	INVERTED TETRODE VACUUM TUBE VOLTMETERS
摘要
申请公布号	CA479010(A)	申请公布日期	1951.11.27
申请号	CAD479010	申请日期
申请人	WESTINGHOUSE ELECTRIC CORPORATION	发明人	ROBERT J. SCHNEEBERGER
分类号		主分类号
代理机构		代理人
主权项
地址

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