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发明名称
Electrical segregation circuit
摘要
申请公布号
US2177723(A)
申请公布日期
1939.10.31
申请号
US19370137166
申请日期
1937.04.16
申请人
RADIO CORPORATION OF AMERICA
发明人
KEMP ROLAND JOHN;FEWINGS DAVID JOHN
分类号
H04N5/10
主分类号
H04N5/10
代理机构
代理人
主权项
地址
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