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发明名称
Regulating transformer with contact-ring-current-collector
摘要
申请公布号
GB517987(A)
申请公布日期
1940.02.14
申请号
GB19380023849
申请日期
1938.08.12
申请人
GEORG LEISCHNER
发明人
分类号
H01F29/06
主分类号
H01F29/06
代理机构
代理人
主权项
地址
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