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发明名称
摘要
申请公布号	FR2322081(B1)	申请公布日期	1980.10.24
申请号	FR19760021556	申请日期	1976.07.08
申请人	IBM	发明人
分类号	G11B15/18;G11B23/12;(IPC1-7):B65H75/36	主分类号	G11B15/18
代理机构		代理人
主权项
地址

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