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发明名称
MAGNETIC COMPASS SYSTEMS
摘要
申请公布号
GB1487161(A)
申请公布日期
1977.09.28
申请号
GB19750045108
申请日期
1975.10.31
申请人
SPERRY RAND CORP
发明人
分类号
B64D43/00;G01C17/28;G01C17/30;G01C17/36;G01C17/38;(IPC1-7):G01C17/30
主分类号
B64D43/00
代理机构
代理人
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地址
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