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经营范围
发明名称
UNA HÉLICE, ESPECIALMENTE PARA AVIONES, CON PALAS GIRATORIAS DESPLAZABLES POR LiQUIDO A PRESIoN
摘要
申请公布号
ES152286(A2)
申请公布日期
1943.03.01
申请号
ES19860001522
申请日期
1941.03.26
申请人
ESCHER WYSS MASCHINENFABRIKEN, A.G.
发明人
分类号
(IPC1-7):B64
主分类号
(IPC1-7):B64
代理机构
代理人
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地址
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