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发明名称
Apparatus for indicating the mean speed of a. vehicle
摘要
申请公布号
US1889876(A)
申请公布日期
1932.12.06
申请号
US19290334296
申请日期
1929.01.22
申请人
ERIC PELLERIN;MARCEL HECTOR;JULES CARPENTIER PASCAL
发明人
PELLERIN ERIC;HECTOR MARCEL;CARPENTIER PASCAL JULES
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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