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发明名称
électro-aimant de réglage
摘要
申请公布号
FR914581(A)
申请公布日期
1946.10.11
申请号
FRD914581
申请日期
1945.09.18
申请人
发明人
DERUNGS ERNEST-ALPHONSE
分类号
H01F7/16
主分类号
H01F7/16
代理机构
代理人
主权项
地址
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