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发明名称
Airplane
摘要
申请公布号
US2196994(A)
申请公布日期
1940.04.16
申请号
US19390257863
申请日期
1939.02.23
申请人
EDWARD J. FROST
发明人
KOPPEN OTTO C.
分类号
B64C5/06;B64C13/00
主分类号
B64C5/06
代理机构
代理人
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