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发明名称
Radioreceiver
摘要
申请公布号
US1942792(A)
申请公布日期
1934.01.09
申请号
US19320586131
申请日期
1932.01.12
申请人
APPEL JR JOSEPH H
发明人
JR. JOSEPH H. APPEL,
分类号
H03D7/08
主分类号
H03D7/08
代理机构
代理人
主权项
地址
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