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经营范围
发明名称
électro-aimant à armatures multiples
摘要
申请公布号
FR55329(E)
申请公布日期
1952.01.02
申请号
FRD55329
申请日期
1946.12.30
申请人
发明人
RAS ADOLPHE-JACQUES
分类号
H01F7/13
主分类号
H01F7/13
代理机构
代理人
主权项
地址
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