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发明名称
摘要
申请公布号	JPS5761621(U)	申请公布日期	1982.04.12
申请号	JP19800134280U	申请日期	1980.09.20
申请人		发明人
分类号	G11B20/02;(IPC1-7):G11B5/033	主分类号	G11B20/02
代理机构		代理人
主权项
地址

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