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经营范围
发明名称
ACOUSTIC REFLECTOR
摘要
申请公布号
GB8710508(D0)
申请公布日期
1987.08.05
申请号
GB19870010508
申请日期
1987.05.02
申请人
GEC AVIONICS LTD
发明人
分类号
G10K11/20
主分类号
G10K11/20
代理机构
代理人
主权项
地址
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