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经营范围
发明名称
Helicopters
摘要
申请公布号
GB590514(A)
申请公布日期
1947.07.21
申请号
GB19440024919
申请日期
1944.12.12
申请人
VINCENT BENDIX
发明人
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
主权项
地址
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