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发明名称
MAGNETIC HEADING REFERENCE
摘要
申请公布号
GB1495213(A)
申请公布日期
1977.12.14
申请号
GB19750048615
申请日期
1975.11.26
申请人
NASA
发明人
分类号
G01R33/04;G01C17/28;G01C17/30;G01C17/38;(IPC1-7):G01C17/30
主分类号
G01R33/04
代理机构
代理人
主权项
地址
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