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发明名称
Noyau magnétique
摘要
申请公布号
FR917108(A)
申请公布日期
1946.12.26
申请号
FRD917108
申请日期
1945.11.08
申请人
发明人
AVANESSOF IVAN
分类号
H01F17/04
主分类号
H01F17/04
代理机构
代理人
主权项
地址
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