Record disc identification,申请号GB19810012132-传众专利搜索

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发明名称	Record disc identification
摘要
申请公布号	GB2075740(A)	申请公布日期	1981.11.18
申请号	GB19810012132	申请日期	1981.04.16
申请人	RCA CORP	发明人
分类号	G06K19/06;G11B19/12;G11B23/36;G11B23/40;(IPC1-7):G11B23/40	主分类号	G06K19/06
代理机构		代理人
主权项
地址

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