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经营范围
发明名称
Improvements relating to artificial horizons
摘要
申请公布号
GB417185(A)
申请公布日期
1934.10.01
申请号
GB19330009614
申请日期
1933.03.30
申请人
SPERRY GYROSCOPE COMPANY INC.
发明人
分类号
G01C19/32
主分类号
G01C19/32
代理机构
代理人
主权项
地址
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