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发明名称
摘要
申请公布号
JPH054413(U)
申请公布日期
1993.01.22
申请号
JP19910057815U
申请日期
1991.06.27
申请人
发明人
分类号
H01F7/02;H01H51/26;(IPC1-7):H01F7/02
主分类号
H01F7/02
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