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发明名称
Means adapted to enable aircraft to pick up while in flight articles or persons
摘要
申请公布号
US2150599(A)
申请公布日期
1939.03.14
申请号
US19350039976
申请日期
1935.09.10
申请人
CRAIG CROOM-JOHNSON DOUGLAS
发明人
CROOM-JOHNSON DOUGLAS CRAIG
分类号
B64D1/22
主分类号
B64D1/22
代理机构
代理人
主权项
地址
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