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发明名称
Map and map mounting for use in the navigation of aircraft
摘要
申请公布号
US2267649(A)
申请公布日期
1941.12.23
申请号
US19400353559
申请日期
1940.08.21
申请人
ALLTOOLS LIMITED
发明人
GRAVES ARNOLD
分类号
G09B29/10
主分类号
G09B29/10
代理机构
代理人
主权项
地址
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