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发明名称
摘要
申请公布号
JPS6234407(U)
申请公布日期
1987.02.28
申请号
JP19850125180U
申请日期
1985.08.16
申请人
发明人
分类号
H01F7/16;F16K31/06;(IPC1-7):H01F7/16
主分类号
H01F7/16
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