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发明名称
Radio receiving system
摘要
申请公布号
US1843565(A)
申请公布日期
1932.02.02
申请号
US19230666060
申请日期
1923.10.02
申请人
FEDERAL TELEGRAPH COMPANY
发明人
KOLSTER FREDERICK A.
分类号
H04B1/22
主分类号
H04B1/22
代理机构
代理人
主权项
地址
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