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经营范围
发明名称
Radio circuit
摘要
申请公布号
US1876793(A)
申请公布日期
1932.09.13
申请号
US19290401423
申请日期
1929.10.22
申请人
FRANK C. TALMADGE
发明人
THOMPSON THOMAS D.
分类号
H03G3/16
主分类号
H03G3/16
代理机构
代理人
主权项
地址
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