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发明名称
Radio receiving system
摘要
申请公布号
US1967328(A)
申请公布日期
1934.07.24
申请号
US19280244478
申请日期
1928.01.04
申请人
FEDERAL TELEGRAPH COMPANY
发明人
ROYDEN GEORGE T.
分类号
H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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