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发明名称
Perfectionnements apportés aux aimants permanents et à leurs procédés d'obtention
摘要
申请公布号
FR907756(A)
申请公布日期
1946.03.21
申请号
FRD907756
申请日期
1944.05.05
申请人
ASSOCIATION DES OUVRIERS EN INSTRUMENTS DE PRECISION
发明人
分类号
C22C33/02;H01F1/03
主分类号
C22C33/02
代理机构
代理人
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