Method and apparatus for protection of signal copy,申请号US19880216495-传众专利搜索

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发明名称	Method and apparatus for protection of signal copy
摘要
申请公布号	US4979210(A)	申请公布日期	1990.12.18
申请号	US19880216495	申请日期	1988.07.08
申请人	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.	发明人	NAGATA, ATSUSHI;UEKAWA, YUTAKA;SENOO, TAKANORI;TAKAHASHI, KENICHI
分类号	G11B20/00	主分类号	G11B20/00
代理机构		代理人
主权项
地址

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