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发明名称
Celestial navigation instrument
摘要
申请公布号
US2471686(A)
申请公布日期
1949.05.31
申请号
US19450618232
申请日期
1945.09.24
申请人
HILTNER WALTER F
发明人
HILTNER WALTER F.
分类号
G01C21/02
主分类号
G01C21/02
代理机构
代理人
主权项
地址
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