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经营范围
发明名称
Perfectionnements aux appareils pour l'obtention d'un courant alternatif à haute tension à partir d'un courant continu à basse tension
摘要
申请公布号
FR818421(A)
申请公布日期
1937.09.25
申请号
FRD818421
申请日期
1937.02.26
申请人
TECHNICAL INVENTIONS LIMITED
发明人
分类号
H02M1/22
主分类号
H02M1/22
代理机构
代理人
主权项
地址
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