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发明名称
Apparatus for use in directing the flight of aircraft
摘要
申请公布号
US2027350(A)
申请公布日期
1936.01.07
申请号
US19250044946
申请日期
1925.07.20
申请人
SEVERSKY AERO CORPORATION
发明人
PROCOFIEFF-SEVERSKY ALEXANDER
分类号
B64D45/00
主分类号
B64D45/00
代理机构
代理人
主权项
地址
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