PHOTO-ELECTRIC DEVICE,申请号CAD296635-传众专利搜索

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发明名称	PHOTO-ELECTRIC DEVICE
摘要
申请公布号	CA296635(A)	申请公布日期	1930.01.14
申请号	CAD296635	申请日期
申请人	THE CANADIAN WESTINGHOUSE COMPANY	发明人	VLADIMIR K. ZWORYKIN
分类号		主分类号
代理机构		代理人
主权项
地址

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