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发明名称
Air-driven impeller
摘要
申请公布号
US2550229(A)
申请公布日期
1951.04.24
申请号
US19460693044
申请日期
1946.08.26
申请人
ALL AMERICAN AIRWAYS, INC.
发明人
COTTON ROBERT B.
分类号
B64D27/04;B64D41/00
主分类号
B64D27/04
代理机构
代理人
主权项
地址
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