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经营范围
发明名称
Indicateur, à distance, de la direction du vent
摘要
申请公布号
FR950436(A)
申请公布日期
1949.09.27
申请号
FRD950436
申请日期
1947.07.29
申请人
发明人
DUBOIS FERNAND-MARIE-CHARLE
分类号
G01P13/02
主分类号
G01P13/02
代理机构
代理人
主权项
地址
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