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发明名称
Multistage broad band signaltranslating system
摘要
申请公布号
US2702837(A)
申请公布日期
1955.02.22
申请号
US19490108982
申请日期
1949.08.06
申请人
HAZELTINE RESEARCH, INC.
发明人
EASTON ALLAN
分类号
H03F1/50;H04N5/205
主分类号
H03F1/50
代理机构
代理人
主权项
地址
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