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发明名称
Pressed wing rib
摘要
申请公布号
US2233969(A)
申请公布日期
1941.03.04
申请号
US19380248632
申请日期
1938.12.30
申请人
BELL AIRCRAFT CORPORATION
发明人
WOODS ROBERT J.
分类号
B64C3/18
主分类号
B64C3/18
代理机构
代理人
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