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发明名称
Magnetic compass
摘要
申请公布号
US2254610(A)
申请公布日期
1941.09.02
申请号
US19380246440
申请日期
1938.12.17
申请人
KUNZE KAROLUS E;SOO-HOO THEODORE L
发明人
KUNZE KAROLUS E.;SOO-HOO THEODORE L.
分类号
G01C17/00
主分类号
G01C17/00
代理机构
代理人
主权项
地址
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