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发明名称
Helicopter lifting screw operating mechanism
摘要
申请公布号
US2437165(A)
申请公布日期
1948.03.02
申请号
US19440532981
申请日期
1944.04.27
申请人
LOCKE ARTHUR A
发明人
LOCKE ARTHUR A.
分类号
B64C27/54
主分类号
B64C27/54
代理机构
代理人
主权项
地址
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