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发明名称
Navigational course indicator
摘要
申请公布号
US3001192(A)
申请公布日期
1961.09.19
申请号
US19570651459
申请日期
1957.04.08
申请人
HAMMOND
发明人
JR. JOHN HAYS HAMMOND,;CHAFFEE EMORY LEON
分类号
G01S1/02;G01S19/17;G01S19/36;G01S19/51
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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