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发明名称
摘要
申请公布号
JPH02118915(U)
申请公布日期
1990.09.25
申请号
JP19890027590U
申请日期
1989.03.10
申请人
发明人
分类号
H01F38/14;(IPC1-7):H01F23/00
主分类号
H01F38/14
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代理人
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地址
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