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发明名称
Lead-in terminal unit for rotary directional antennae
摘要
申请公布号
US2557074(A)
申请公布日期
1951.06.19
申请号
US19470743147
申请日期
1947.04.22
申请人
HERBERT BROOKS
发明人
BROOKS HERBERT
分类号
H01Q3/04
主分类号
H01Q3/04
代理机构
代理人
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