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发明名称
Amplifier and receiver system
摘要
申请公布号
US2640917(A)
申请公布日期
1953.06.02
申请号
US19480055856
申请日期
1948.10.22
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
PHINNEY EDWARD D.;BAILEY ROBERT S.
分类号
H03D1/16;H03D7/08;H03F3/48;H04L27/06
主分类号
H03D1/16
代理机构
代理人
主权项
地址
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