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经营范围
发明名称
Improvements in and relating to gyroscopic compasses
摘要
申请公布号
GB627291(A)
申请公布日期
1949.08.05
申请号
GB19460003112
申请日期
1946.01.31
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01C19/38
主分类号
G01C19/38
代理机构
代理人
主权项
地址
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