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经营范围
发明名称
Rotor propulseur et sustentateur
摘要
申请公布号
FR993312(A)
申请公布日期
1951.10.30
申请号
FRD993312
申请日期
1949.08.13
申请人
发明人
LASKY EMILE
分类号
B64C29/00
主分类号
B64C29/00
代理机构
代理人
主权项
地址
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