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发明名称
Airfoil
摘要
申请公布号
US2348252(A)
申请公布日期
1944.05.09
申请号
US19400367277
申请日期
1940.11.23
申请人
GRISWOLD ROGER W
发明人
GRISWOLD ROGER W.
分类号
B64C21/02
主分类号
B64C21/02
代理机构
代理人
主权项
地址
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