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经营范围
发明名称
Improvements relating to gyroscopic means for indicating the horizon on aircraft
摘要
申请公布号
GB426185(A)
申请公布日期
1935.03.28
申请号
GB19340030504
申请日期
1934.10.24
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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