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经营范围
发明名称
Nouvelle règle à calcul pour la navigation aérienne
摘要
申请公布号
FR852520(A)
申请公布日期
1940.02.26
申请号
FRD852520
申请日期
1938.10.11
申请人
发明人
HENNEQUIN JEAN
分类号
G06G1/12
主分类号
G06G1/12
代理机构
代理人
主权项
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