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经营范围
发明名称
Control mechanism for helicopters
摘要
申请公布号
US2535164(A)
申请公布日期
1950.12.26
申请号
US19470751589
申请日期
1947.05.31
申请人
SEIBEL CHARLES M
发明人
SEIBEL CHARLES M.
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
主权项
地址
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