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发明名称
Apparatus for indicating the mean speed of a vehicle
摘要
申请公布号
GB674227(A)
申请公布日期
1952.06.18
申请号
GB19480029414
申请日期
1948.11.12
申请人
MARCEL GALAND
发明人
分类号
G01P11/00
主分类号
G01P11/00
代理机构
代理人
主权项
地址
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