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发明名称
Procédé de protection des entrefers des circuits magnétiques
摘要
申请公布号
FR1122328(A)
申请公布日期
1956.09.05
申请号
FRD1122328
申请日期
1955.02.19
申请人
APPAREILLAGE V. F. B.
发明人
分类号
H01F41/02
主分类号
H01F41/02
代理机构
代理人
主权项
地址
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