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发明名称
Nouveau système de volets de courbure
摘要
申请公布号
FR50429(E)
申请公布日期
1940.06.06
申请号
FRD50429D
申请日期
1939.01.31
申请人
发明人
MERCIER PIERRE ERNEST
分类号
B64C9/16
主分类号
B64C9/16
代理机构
代理人
主权项
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