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发明名称
Improvements in or relating to transformers
摘要
申请公布号
GB620946(A)
申请公布日期
1949.04.01
申请号
GB19470003226
申请日期
1947.02.03
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01F21/06
主分类号
H01F21/06
代理机构
代理人
主权项
地址
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