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发明名称
Spherical triangle computer
摘要
申请公布号
US2576149(A)
申请公布日期
1951.11.27
申请号
US19450628615
申请日期
1945.11.14
申请人
SHARP JOHN V
发明人
SHARP JOHN V.
分类号
G06G3/06
主分类号
G06G3/06
代理机构
代理人
主权项
地址
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