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经营范围
发明名称
Perfectionnements aux hélicoptères
摘要
申请公布号
FR943608(A)
申请公布日期
1949.03.14
申请号
FRD943608
申请日期
1946.10.08
申请人
UNITED AIRCRAFT CORPORATION
发明人
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
主权项
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