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发明名称
Valve ionique pour la production de courant alternatif
摘要
申请公布号
FR49396(E)
申请公布日期
1939.03.24
申请号
FRD49396
申请日期
1938.04.01
申请人
ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET
发明人
分类号
H02M7/06
主分类号
H02M7/06
代理机构
代理人
主权项
地址
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