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经营范围
发明名称
Follow-up or remote control system
摘要
申请公布号
US1959805(A)
申请公布日期
1934.05.22
申请号
US19320602470
申请日期
1932.04.01
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
WITTKUHNS BRUNO A.;WATKINS FREDERIC M.
分类号
G05D3/12
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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