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发明名称
PERFECCIONAMIENTOS EN DISPOSITIVOS PARA VARIAR HIDRáULICAMENTE EL PASO DE LAS PALAS DE HÉLICES, ESPCIALMENTE DE HÉLICES AÉREAS
摘要
申请公布号
ES158647(A2)
申请公布日期
1943.03.01
申请号
ES19470001586
申请日期
1942.09.18
申请人
ESCHER WYSS MASCHINENFABRIKEN, G. M. B. H.
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
地址
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