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经营范围
发明名称
Frequency modulation receiver
摘要
申请公布号
US2488606(A)
申请公布日期
1949.11.22
申请号
US19450591484
申请日期
1945.05.02
申请人
RADIO CORPORATION
发明人
SANDS WILLIAM F.
分类号
H03D3/24
主分类号
H03D3/24
代理机构
代理人
主权项
地址
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