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发明名称
Dynamic compass
摘要
申请公布号
US2313005(A)
申请公布日期
1943.03.02
申请号
US19400312220
申请日期
1940.01.03
申请人
JEAN-LEON REUTTER
发明人
REUTTER JEAN-LEON
分类号
G01C17/26
主分类号
G01C17/26
代理机构
代理人
主权项
地址
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