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经营范围
发明名称
PERFECCIONAMIENTOS EN LOS AEROPLANOS.
摘要
申请公布号
ES115971(A1)
申请公布日期
1930.01.01
申请号
ES19710001159
申请日期
1929.11.10
申请人
THE GENERAL DEVELOPMENT COMPANY
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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