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经营范围
发明名称
Perfectionnements aux éléments constructifs repliables des aéronefs
摘要
申请公布号
FR837759(A)
申请公布日期
1939.02.20
申请号
FRD837759
申请日期
1938.05.09
申请人
发明人
HUDSON RICHARD JOHN HARRINGTON
分类号
B64C3/56
主分类号
B64C3/56
代理机构
代理人
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