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经营范围
发明名称
Perfectionnements aux hélicoptères
摘要
申请公布号
FR919832(A)
申请公布日期
1947.03.19
申请号
FRD919832
申请日期
1946.01.08
申请人
UNITED AIRCRAFT CORPORATION
发明人
分类号
B64C27/54
主分类号
B64C27/54
代理机构
代理人
主权项
地址
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