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经营范围
发明名称
A navigational aid
摘要
申请公布号
GB9812371(D0)
申请公布日期
1998.08.05
申请号
GB19980012371
申请日期
1998.06.10
申请人
CAVOK LIMITED
发明人
分类号
G01C21/20;G06G1/00
主分类号
G01C21/20
代理机构
代理人
主权项
地址
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