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发明名称
Radio receiver
摘要
申请公布号
US2139082(A)
申请公布日期
1938.12.06
申请号
US19370134703
申请日期
1937.04.03
申请人
SEARS, ROEBUCK AND CO.
发明人
HULTGREN ARNOLD P.
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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