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发明名称
An improved helicopter rotor hub
摘要
申请公布号
GB734888(A)
申请公布日期
1955.08.10
申请号
GB19530011959
申请日期
1953.04.30
申请人
SHORT BROTHERS & HARLAND LIMITED
发明人
ROBERTSON FRANK HENRY
分类号
B64C27/59
主分类号
B64C27/59
代理机构
代理人
主权项
地址
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