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发明名称
摘要
申请公布号	JPH03126021(U)	申请公布日期	1991.12.19
申请号	JP19900035791U	申请日期	1990.04.04
申请人		发明人
分类号	C22C19/03;H01F27/00;(IPC1-7):H01F27/00	主分类号	C22C19/03
代理机构		代理人
主权项
地址

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