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经营范围
发明名称
Antenna system and feeder
摘要
申请公布号
US2237792(A)
申请公布日期
1941.04.08
申请号
US19390270783
申请日期
1939.04.29
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
ROOSENSTEIN HANS OTTO
分类号
H03H7/01
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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