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发明名称
摘要
申请公布号
JPH0442899(Y2)
申请公布日期
1992.10.12
申请号
JP19860187913U
申请日期
1986.12.08
申请人
发明人
分类号
H01F29/02;(IPC1-7):H01F29/02
主分类号
H01F29/02
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代理人
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地址
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