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经营范围
发明名称
A connection for altering an electric current in facultative dependence on two or more different currents
摘要
申请公布号
GB582946(A)
申请公布日期
1946.12.03
申请号
GB19440007211
申请日期
1944.04.19
申请人
ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET
发明人
分类号
H02P7/30
主分类号
H02P7/30
代理机构
代理人
主权项
地址
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