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经营范围
发明名称
Circularly polarized antenna
摘要
申请公布号
US2851687(A)
申请公布日期
1958.09.09
申请号
US19550507320
申请日期
1955.05.10
申请人
SPERRY RAND CORPORATION
发明人
SFERRAZZA PETER J.
分类号
H01P1/17
主分类号
H01P1/17
代理机构
代理人
主权项
地址
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