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发明名称
PERFECCIONAMINETOS EN LOS AERODINOS DE ALAS GIRATORIAS PARA AUMENTAR SU VELOCIDAD DE TRASLACIoN
摘要
申请公布号
ES217685(A1)
申请公布日期
1954.12.16
申请号
ES19850002176
申请日期
1954.10.04
申请人
AEROTECNICA, SOCIEDAD ANNNIMA
发明人
分类号
(IPC1-7):B64
主分类号
(IPC1-7):B64
代理机构
代理人
主权项
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