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发明名称
Procédé pour la fabrication de poudres magnétiques isolées et de noyaux faits avec ces poudres
摘要
申请公布号
FR726633(A)
申请公布日期
1932.06.01
申请号
FRD726633
申请日期
1931.11.23
申请人
HARTSTOFF METALL-AKTIENGESELLSCHAFT
发明人
分类号
H01F1/24
主分类号
H01F1/24
代理机构
代理人
主权项
地址
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