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经营范围
发明名称
Directional gyroscope
摘要
申请公布号
US2491204(A)
申请公布日期
1949.12.13
申请号
US19450575868
申请日期
1945.02.02
申请人
GENERAL MOTORS CORPORATION
发明人
PERKINS WALLACE W.;FISCHER ALBERT W.
分类号
G01C19/34
主分类号
G01C19/34
代理机构
代理人
主权项
地址
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