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经营范围
发明名称
Improvements in or relating to gyroscopes
摘要
申请公布号
GB512355(A)
申请公布日期
1939.09.01
申请号
GB19380019892
申请日期
1938.07.05
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01C19/44
主分类号
G01C19/44
代理机构
代理人
主权项
地址
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