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发明名称
摘要
申请公布号
JPS5534657(U)
申请公布日期
1980.03.06
申请号
JP19780117535U
申请日期
1978.08.28
申请人
发明人
分类号
H01F7/14;H01H50/30;H01H50/44;(IPC1-7):H01F7/14
主分类号
H01F7/14
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代理人
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