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发明名称
摘要
申请公布号
JPH081871(B2)
申请公布日期
1996.01.10
申请号
JP19910013644
申请日期
1991.01.12
申请人
发明人
分类号
H01F17/00;H01F41/02;H01F41/04;(IPC1-7):H01F41/02
主分类号
H01F17/00
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代理人
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