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发明名称
Improvements in compass installations
摘要
申请公布号
GB681926(A)
申请公布日期
1952.10.29
申请号
GB19500010907
申请日期
1950.05.03
申请人
B.V.C. ELECTRONIC DEVELOPMENTS LIMITED
发明人
BRIGGS GEORGE
分类号
G01C19/40
主分类号
G01C19/40
代理机构
代理人
主权项
地址
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