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经营范围
发明名称
Ring type antenna
摘要
申请公布号
US2648001(A)
申请公布日期
1953.08.04
申请号
US19460661205
申请日期
1946.04.11
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
发明人
ROWLAND HOWARD J.
分类号
H01Q9/26
主分类号
H01Q9/26
代理机构
代理人
主权项
地址
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