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发明名称
摘要
申请公布号
JPS5339301(Y2)
申请公布日期
1978.09.22
申请号
JP19740046952U
申请日期
1974.04.23
申请人
发明人
分类号
H01F27/28;H01F19/00;H01F27/04;H01F27/24;H01F27/255;H01F30/00;H01F38/42;H01F41/12;(IPC1-7):H01F15/10;H01F31/00
主分类号
H01F27/28
代理机构
代理人
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地址
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