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发明名称
FREQUENCY CONTROLLING MEANS
摘要
申请公布号
CA362273(A)
申请公布日期
1936.12.01
申请号
CAD362273
申请日期
申请人
THE RADIO CORPORATION OF AMERICA
发明人
GEORGE LINDLEY USSELMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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