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发明名称
摘要
申请公布号
JPS5515097(B2)
申请公布日期
1980.04.21
申请号
JP19720109215
申请日期
1972.10.31
申请人
发明人
分类号
H01F7/12;H01H50/16
主分类号
H01F7/12
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代理人
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