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经营范围
发明名称
Periscopic sextant
摘要
申请公布号
GB660326(A)
申请公布日期
1951.11.07
申请号
GB19490013102
申请日期
1949.05.17
申请人
KOLLSMAN INSTRUMENT CORPORATION
发明人
分类号
G02B23/08
主分类号
G02B23/08
代理机构
代理人
主权项
地址
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