DOPPELDECK-VIDEOAUFZEICHNUNGSEINRICHTUNG UND VERFAHREN.,申请号AT19890306379T-传众专利搜索

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发明名称	DOPPELDECK-VIDEOAUFZEICHNUNGSEINRICHTUNG UND VERFAHREN.
摘要
申请公布号	AT122835(T)	申请公布日期	1995.06.15
申请号	AT19890306379T	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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