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经营范围
发明名称
NAVIGATIONAL PLOTTING AND CALCULATING DEVICE
摘要
申请公布号
US3431650(A)
申请公布日期
1969.03.11
申请号
USD3431650
申请日期
1966.06.10
申请人
ALBERT C. DE MATTIA
发明人
ALBERT C. DE MATTIA
分类号
G01C21/02;(IPC1-7):G01C21/20
主分类号
G01C21/02
代理机构
代理人
主权项
地址
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