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发明名称
摘要
申请公布号	JPH0219943(Y2)	申请公布日期	1990.05.31
申请号	JP19810009858U	申请日期	1981.01.26
申请人		发明人
分类号	H01F38/12;H01F5/02;(IPC1-7):H01F31/00	主分类号	H01F38/12
代理机构		代理人
主权项
地址

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