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发明名称
Modulator
摘要
申请公布号
US2134065(A)
申请公布日期
1938.10.25
申请号
US19360061259
申请日期
1936.01.29
申请人
RADIO CORPORATION OF AMERICA
发明人
USSELMAN GEORGE L.
分类号
H03C1/54
主分类号
H03C1/54
代理机构
代理人
主权项
地址
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