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发明名称
PERSONAL NAVIGATOR
摘要
申请公布号
GB8923742(D0)
申请公布日期
1989.12.06
申请号
GB19890023742
申请日期
1989.10.21
申请人
CHELTENHAM COLLEGE ENTERPRISES LTD
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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