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发明名称
Helicopter control mechanism
摘要
申请公布号
US2720271(A)
申请公布日期
1955.10.11
申请号
US19530330832
申请日期
1953.01.12
申请人
UNITED AIRCRAFT CORPORATION
发明人
ALEX RALPH P.
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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