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经营范围
发明名称
Perfectionnements aux gyros verticaux
摘要
申请公布号
FR826616(A)
申请公布日期
1938.04.06
申请号
FRD826616
申请日期
1937.09.11
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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