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发明名称
Improvements in and relating to flux valve compass systems
摘要
申请公布号
GB607117(A)
申请公布日期
1948.08.26
申请号
GB19440002396
申请日期
1944.02.09
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01C19/36
主分类号
G01C19/36
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代理人
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