PHOTO-TUBE MANUFACTURE,申请号CAD377920-传众专利搜索

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发明名称	PHOTO-TUBE MANUFACTURE
摘要
申请公布号	CA377920(A)	申请公布日期	1938.11.29
申请号	CAD377920	申请日期
申请人	RADIO CORPORATION OF AMERICA	发明人	JAN HENDRIK DE BOER;MARTEN CORNELIS TEVES;HENDRIK LEMS
分类号		主分类号
代理机构		代理人
主权项
地址

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