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发明名称
Perfectionnements aux instruments gyroscopiques indicateurs de direction
摘要
申请公布号
FR860878(A)
申请公布日期
1941.01.25
申请号
FRD860878
申请日期
1939.10.17
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
分类号
G01C19/34
主分类号
G01C19/34
代理机构
代理人
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