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发明名称
Regulating system for transformers
摘要
申请公布号
US1820242(A)
申请公布日期
1931.08.25
申请号
US19290343174
申请日期
1929.02.27
申请人
THE FIRM SIEMENS-REINIGER-VEIFA GESELLSCHAFT FUR MEDIZINISCHE TECHNIK M.B.H.
发明人
NIEMANN KARL;LEUTERITZ EHRHARDT
分类号
H01F29/02
主分类号
H01F29/02
代理机构
代理人
主权项
地址
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