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经营范围
发明名称
Modulated oscillator
摘要
申请公布号
US1991970(A)
申请公布日期
1935.02.19
申请号
US19320589859
申请日期
1932.01.30
申请人
RADIO CORPORATION
发明人
WHITAKER JAMES N.;SHORE HENRY
分类号
H03C1/34
主分类号
H03C1/34
代理机构
代理人
主权项
地址
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