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发明名称
Improvements in and relating to aircraft with autorotative sustaining rotors
摘要
申请公布号
GB474681(A)
申请公布日期
1937.11.04
申请号
GB19360012619
申请日期
1936.05.04
申请人
JUAN DE LA CIERVA
发明人
分类号
B64C27/02
主分类号
B64C27/02
代理机构
代理人
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