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发明名称
摘要
申请公布号	FR1577486(A)	申请公布日期	1969.08.08
申请号	FRD1577486	申请日期	1968.06.07
申请人		发明人
分类号	G11B15/12;G11B15/18;G11B15/44;G11B15/675	主分类号	G11B15/12
代理机构		代理人
主权项
地址

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