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发明名称
Calcuateur logarithmique et son application à l'indication de la vitesse horaire moyenne d'un véhicule, ou autre mobile
摘要
申请公布号
FR1533356(A)
申请公布日期
1968.07.19
申请号
FR19670109339
申请日期
1967.06.06
申请人
发明人
DUSAULT ALAIN
分类号
G06G1/00
主分类号
G06G1/00
代理机构
代理人
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