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发明名称
Perfectionnements aux surfaces portantes des appareils se mouvant dans un fluide
摘要
申请公布号
FR43032(E)
申请公布日期
1934.01.25
申请号
FRD43032
申请日期
1932.10.15
申请人
发明人
BALLU FRANCOIS
分类号
B64C23/00
主分类号
B64C23/00
代理机构
代理人
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