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经营范围
发明名称
Perfectionnements aux appareils gyroscopiques
摘要
申请公布号
FR49999(E)
申请公布日期
1939.09.29
申请号
FRD49999
申请日期
1938.11.29
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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