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发明名称
A system for controlling separately excited direct current motors
摘要
申请公布号
GB632278(A)
申请公布日期
1949.11.18
申请号
GB19470030665
申请日期
1947.11.19
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
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地址
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