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发明名称
APERTURE ANTENNA SYSTEM
摘要
申请公布号
GB8504674(D0)
申请公布日期
1985.03.27
申请号
GB19850004674
申请日期
1985.02.22
申请人
NL INDUSTRIES INC
发明人
分类号
E21B49/00;E21B47/01;G01V3/30;H01Q1/04
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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