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发明名称
Positional control of a ponderable object from a control element
摘要
申请公布号
US2047988(A)
申请公布日期
1936.07.21
申请号
US19340733028
申请日期
1934.06.29
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
WITTKUHNS BRUNO A.;HULL HARVARD L.
分类号
G05D3/18
主分类号
G05D3/18
代理机构
代理人
主权项
地址
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