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发明名称
Helicopter antitorque mechanism
摘要
申请公布号
US2575886(A)
申请公布日期
1951.11.20
申请号
US19430477359
申请日期
1943.02.27
申请人
FRANCIS MYERS GEORGE
发明人
MYERS GEORGE FRANCIS
分类号
B64C27/82
主分类号
B64C27/82
代理机构
代理人
主权项
地址
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