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经营范围
发明名称
Navigation system and apparatus
摘要
申请公布号
US2272607(A)
申请公布日期
1942.02.10
申请号
US19390302546
申请日期
1939.11.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HIGONNET RENE ALPHONSE
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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