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经营范围
发明名称
Improvements in rotary-wing aircraft
摘要
申请公布号
GB829183(A)
申请公布日期
1960.03.02
申请号
GB19550036668
申请日期
1955.12.21
申请人
AEROTECNICA S.A.
发明人
分类号
B64C27/18
主分类号
B64C27/18
代理机构
代理人
主权项
地址
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