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发明名称
Great circle course computer
摘要
申请公布号
US2610403(A)
申请公布日期
1952.09.16
申请号
US19490135918
申请日期
1949.12.30
申请人
GENERAL ELECTRIC COMPANY
发明人
VALENTINE FRANK E.
分类号
G01C21/20
主分类号
G01C21/20
代理机构
代理人
主权项
地址
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