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经营范围
发明名称
Pale pour aérodynes à voilure tournante
摘要
申请公布号
FR1138244(A)
申请公布日期
1957.06.11
申请号
FRD1138244
申请日期
1955.12.29
申请人
AEROTECNICA
发明人
分类号
B64C27/473
主分类号
B64C27/473
代理机构
代理人
主权项
地址
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