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发明名称
摘要
申请公布号
JPS5541004(B2)
申请公布日期
1980.10.21
申请号
JP19770155982
申请日期
1977.12.23
申请人
发明人
分类号
H01F7/14;H01H50/16;H01H51/22
主分类号
H01F7/14
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代理人
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