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发明名称
Aircraft
摘要
申请公布号
US2018730(A)
申请公布日期
1935.10.29
申请号
US19330666947
申请日期
1933.04.20
申请人
LEWIS-AMERICAN AIRWAYS, INC.
发明人
LEWIS PAUL M.;LANDGRAF FRED
分类号
B64C39/00
主分类号
B64C39/00
代理机构
代理人
主权项
地址
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