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发明名称
Homing navigator
摘要
申请公布号
US2749035(A)
申请公布日期
1956.06.05
申请号
US19500179452
申请日期
1950.08.15
申请人
GENERAL PRECISION LABORATORY INCORPORATED
发明人
GRAY JOHN W.
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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