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发明名称
Improvements in and relating to helicopters
摘要
申请公布号
GB792687(A)
申请公布日期
1958.04.02
申请号
GB19560011073
申请日期
1956.04.11
申请人
ARNOLD JUNKER;GEORGES BORGEAUD
发明人
分类号
B64C39/02
主分类号
B64C39/02
代理机构
代理人
主权项
地址
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