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经营范围
发明名称
Improvements in gyroscopic apparatus
摘要
申请公布号
GB575281(A)
申请公布日期
1939.11.27
申请号
GB19380016262
申请日期
1938.05.31
申请人
JEFFERY WALTON BARNES
发明人
分类号
G01C19/44;G05D1/08
主分类号
G01C19/44
代理机构
代理人
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