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发明名称
摘要
申请公布号
JPS54165764(U)
申请公布日期
1979.11.21
申请号
JP19780064095U
申请日期
1978.05.12
申请人
发明人
分类号
H01F7/04;H01H50/20;H01H50/34;(IPC1-7):H01H50/34
主分类号
H01F7/04
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代理人
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