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发明名称
MAGNETIC FIELD CONCENTRATOR FOR EDUCATION INSTRUMENT
摘要
申请公布号
RU2076364(C1)
申请公布日期
1997.03.27
申请号
RU19930053086
申请日期
1993.11.23
申请人
SVIRIDOV VALENTIN I
发明人
SVIRIDOV VALENTIN I
分类号
H01F6/00;(IPC1-7):H01F6/00
主分类号
H01F6/00
代理机构
代理人
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