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发明名称
REFRACTING ELEMENTS
摘要
申请公布号
GB8717845(D0)
申请公布日期
1987.09.03
申请号
GB19870017845
申请日期
1987.07.28
申请人
LONDON UNIVERSITY COLLEGE
发明人
分类号
H01Q3/14;H01Q15/10
主分类号
H01Q3/14
代理机构
代理人
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