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发明名称
Appareil pour la navigation
摘要
申请公布号
FR914892(A)
申请公布日期
1946.10.21
申请号
FRD914892
申请日期
1945.04.20
申请人
发明人
GHIDONE MARCEL-JEAN-MARIE
分类号
G01C21/20
主分类号
G01C21/20
代理机构
代理人
主权项
地址
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