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经营范围
发明名称
Improvements in or relating to annular wings and aerodynamic lifting surfaces
摘要
申请公布号
GB782950(A)
申请公布日期
1957.09.18
申请号
GB19550021859
申请日期
1955.07.28
申请人
SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION
发明人
RICHTER GERHARD;DUMEZ RAOUL HENRI
分类号
B64C29/02;B64C39/06
主分类号
B64C29/02
代理机构
代理人
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地址
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