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发明名称
Radio transformer
摘要
申请公布号
US1869914(A)
申请公布日期
1932.08.02
申请号
US19280301038
申请日期
1928.08.21
申请人
RADIO CORPORATION OF AMERICA
发明人
ROUND HENRY JOSEPH
分类号
H01F19/04
主分类号
H01F19/04
代理机构
代理人
主权项
地址
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