COMPOSITE SELENIUM ELECTRODE,申请号CAD446282-传众专利搜索

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发明名称	COMPOSITE SELENIUM ELECTRODE
摘要
申请公布号	CA446282(A)	申请公布日期	1948.01.20
申请号	CAD446282	申请日期
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	JAMES H. SCHULMAN;ARTHUR VO HIPPEL
分类号		主分类号
代理机构		代理人
主权项
地址

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