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发明名称
摘要
申请公布号
JPS5016414(U)
申请公布日期
1975.02.21
申请号
JP19730068593U
申请日期
1973.06.08
申请人
发明人
分类号
H01F38/42;H01F19/04;(IPC1-7):H01F19/04
主分类号
H01F38/42
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代理人
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