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发明名称
Course indicating system
摘要
申请公布号
US2624877(A)
申请公布日期
1953.01.06
申请号
US19460657145
申请日期
1946.03.26
申请人
BRITTON CHANCE
发明人
CHANCE BRITTON
分类号
G01S1/02;G01S13/60;G01S19/13
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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