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经营范围
发明名称
Propeller hub for aircraft
摘要
申请公布号
GB586186(A)
申请公布日期
1947.03.11
申请号
GB19430015628
申请日期
1943.09.23
申请人
ETTORE AMBROSETTI
发明人
分类号
B64D35/04
主分类号
B64D35/04
代理机构
代理人
主权项
地址
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