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经营范围
发明名称
Perfectionnements à la propulsion et la sustentation des aéronefs
摘要
申请公布号
FR918605(A)
申请公布日期
1947.02.13
申请号
FRD918605
申请日期
1945.08.24
申请人
发明人
BACH JEAN
分类号
B64C21/02
主分类号
B64C21/02
代理机构
代理人
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