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发明名称
Directional coupler
摘要
申请公布号
US2541910(A)
申请公布日期
1951.02.13
申请号
US19470774828
申请日期
1947.09.18
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BANGERT JOHN T.;ROSEN SIDNEY
分类号
H01P5/18
主分类号
H01P5/18
代理机构
代理人
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地址
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