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经营范围
发明名称
Dispositif à aimant permanent
摘要
申请公布号
FR1351545(A)
申请公布日期
1964.02.07
申请号
FR19620919832
申请日期
1962.12.27
申请人
HITACHI, LTD
发明人
分类号
H01F7/02;H01J29/68
主分类号
H01F7/02
代理机构
代理人
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