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经营范围
发明名称
Gyroscope vertical pour la navigation aérienne
摘要
申请公布号
FR934908(A)
申请公布日期
1948.06.04
申请号
FRD934908
申请日期
1946.10.17
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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