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发明名称
摘要
申请公布号
JPS4619258(Y1)
申请公布日期
1971.07.05
申请号
JP19680104415U
申请日期
1968.11.30
申请人
发明人
分类号
(IPC1-7):H01F5/02;H01F15/02;H01H50/44
主分类号
(IPC1-7):H01F5/02
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