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发明名称
NAVIGATION AID
摘要
申请公布号
EP0920602(A1)
申请公布日期
1999.06.09
申请号
EP19970937674
申请日期
1997.08.20
申请人
TURNER, JOHN RICHARD MILES
发明人
TURNER, JOHN RICHARD MILES
分类号
G01C21/22;G09B29/10;(IPC1-7):G01C21/22
主分类号
G01C21/22
代理机构
代理人
主权项
地址
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