DUAL DECK VIDEO RECORDING APPARATUS AND METHOD,申请号EP19890306379-传众专利搜索

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发明名称	DUAL DECK VIDEO RECORDING APPARATUS AND METHOD
摘要
申请公布号	EP0348218(A3)	申请公布日期	1992.01.15
申请号	EP19890306379	申请日期	1989.06.23
申请人	MACROVISION CORPORATION	发明人	RYAN, JOHN O.
分类号	G11B15/02;G11B5/027;G11B20/00;G11B20/02;G11B27/024;G11B27/028;H04N5/913;(IPC1-7):H04N5/91	主分类号	G11B15/02
代理机构		代理人
主权项
地址

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