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发明名称
Antenna
摘要
申请公布号
US2462881(A)
申请公布日期
1949.03.01
申请号
US19430507540
申请日期
1943.10.25
申请人
MARCHETTI JOHN W
发明人
MARCHETTI JOHN W.
分类号
H01Q9/16;H01Q19/13
主分类号
H01Q9/16
代理机构
代理人
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地址
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