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经营范围
发明名称
Noyau magnétique et son procédé de fabrication
摘要
申请公布号
FR1315603(A)
申请公布日期
1963.01.18
申请号
FR19620888759
申请日期
1962.02.21
申请人
发明人
KNOBEL FRITZ
分类号
H01F30/10
主分类号
H01F30/10
代理机构
代理人
主权项
地址
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