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经营范围
发明名称
Perfectionnements aux bobinages haute fréquence
摘要
申请公布号
FR870683(A)
申请公布日期
1942.03.20
申请号
FRD870683
申请日期
1941.03.07
申请人
发明人
HATTE PIERRE, LOUIS, MARIE
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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