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发明名称
摘要
申请公布号
JPH02889(Y2)
申请公布日期
1990.01.10
申请号
JP19830083846U
申请日期
1983.06.03
申请人
发明人
分类号
H01F27/04;(IPC1-7):H01F27/04
主分类号
H01F27/04
代理机构
代理人
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地址
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