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经营范围
发明名称
Compensated compass, especially for aerial vehicles
摘要
申请公布号
US2020905(A)
申请公布日期
1935.11.12
申请号
US19340706113
申请日期
1934.01.10
申请人
OCTAVE ROBERT GUY
发明人
ROBERT GUY OCTAVE
分类号
G01C17/00
主分类号
G01C17/00
代理机构
代理人
主权项
地址
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