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发明名称
Helicopter
摘要
申请公布号
US2494217(A)
申请公布日期
1950.01.10
申请号
US19470791329
申请日期
1947.12.12
申请人
THE CIERVA AUTOGIRO COMPANY LIMITED
发明人
WATSON KENNETH
分类号
B64C27/12
主分类号
B64C27/12
代理机构
代理人
主权项
地址
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