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经营范围
发明名称
Rotor construction for rotary wing aircraft
摘要
申请公布号
GB1057741(A)
申请公布日期
1967.02.08
申请号
GB19640003547
申请日期
1964.01.28
申请人
BELL AEROSPACE CORPORATION
发明人
分类号
B64C27/43
主分类号
B64C27/43
代理机构
代理人
主权项
地址
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