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发明名称
LOCATING & POSITIONING SYSTEM
摘要
申请公布号
GB8809872(D0)
申请公布日期
1988.06.02
申请号
GB19880009872
申请日期
1988.04.26
申请人
PORTSMOUTH, C U
发明人
分类号
B23B47/28
主分类号
B23B47/28
代理机构
代理人
主权项
地址
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