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发明名称
Selective radioreceiver
摘要
申请公布号
US1850831(A)
申请公布日期
1932.03.22
申请号
US19280271862
申请日期
1928.04.21
申请人
RADIO CORPORATION
发明人
ELLIOTT HAROLD F.
分类号
H03D7/18;H03H7/01
主分类号
H03D7/18
代理机构
代理人
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地址
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