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发明名称
摘要
申请公布号
JP2698209(B2)
申请公布日期
1998.01.19
申请号
JP19900185854
申请日期
1990.07.13
申请人
发明人
分类号
H01F7/20;G01R33/38;(IPC1-7):H01F7/20
主分类号
H01F7/20
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