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摘要
申请公布号
JPS57115217(U)
申请公布日期
1982.07.16
申请号
JP19810000990U
申请日期
1981.01.09
申请人
发明人
分类号
H01F7/06;(IPC1-7):H01F7/06
主分类号
H01F7/06
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代理人
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