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发明名称
MULTIELEMENT RADIO-FREQUENCY ANTENNA STRUCTURE HAVING HELICALLY COILED CONDUCTIVE ELEMENTS
摘要
申请公布号
CA928810(A)
申请公布日期
1973.06.19
申请号
CA19710108378
申请日期
1971.03.22
申请人
FRANCIS C
发明人
FRANCIS R;FRANCIS C
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主分类号
代理机构
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