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经营范围
发明名称
Geometrical navigation instrument
摘要
申请公布号
US2446433(A)
申请公布日期
1948.08.03
申请号
US19440567138
申请日期
1944.12.08
申请人
THE REECE CORPORATION
发明人
PUTNAM JOHN P.
分类号
G01C21/00
主分类号
G01C21/00
代理机构
代理人
主权项
地址
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