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发明名称
Ultra high frequency modulator
摘要
申请公布号
US2238117(A)
申请公布日期
1941.04.15
申请号
US19400316623
申请日期
1940.01.31
申请人
RADIO CORPORATION OF AMERICA
发明人
KOCH WINFIELD R.
分类号
H03C3/28
主分类号
H03C3/28
代理机构
代理人
主权项
地址
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