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发明名称
摘要
申请公布号
JPS4214995(Y1)
申请公布日期
1967.08.28
申请号
JP19640083970U
申请日期
1964.10.26
申请人
发明人
分类号
H01F21/06;(IPC1-7):H01F21/06
主分类号
H01F21/06
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代理人
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