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经营范围
发明名称
Navigation of aircraft
摘要
申请公布号
US2098240(A)
申请公布日期
1937.11.09
申请号
US19350002970
申请日期
1935.01.22
申请人
HAYES HARVEY C
发明人
HAYES HARVEY C.
分类号
B64F1/18
主分类号
B64F1/18
代理机构
代理人
主权项
地址
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