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经营范围
发明名称
A NAVIGATION AID
摘要
申请公布号
GB9019287(D0)
申请公布日期
1990.10.17
申请号
GB19900019287
申请日期
1990.09.04
申请人
GEC FERRANTI DEFENCE SYSTEMS LIMITED
发明人
分类号
G01S7/00
主分类号
G01S7/00
代理机构
代理人
主权项
地址
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