Electron tube type phonograph reproducer,申请号US19450615353-传众专利搜索

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发明名称	Electron tube type phonograph reproducer
摘要
申请公布号	US2482972(A)	申请公布日期	1949.09.27
申请号	US19450615353	申请日期	1945.09.10
申请人	BENDIX AVIATION CORPORATION	发明人	GORDON JAMES F.
分类号	H01J21/08;H04R23/00	主分类号	H01J21/08
代理机构		代理人
主权项
地址

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