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发明名称
Hydraulic bridge servo control system
摘要
申请公布号
US2974639(A)
申请公布日期
1961.03.14
申请号
US19560613669
申请日期
1956.10.03
申请人
HOUDAILLE INDUSTRIES, INC.
发明人
O'CONNOR BERNARD E.;WHELPLEY GORDON E.
分类号
B64C13/00;B64C25/50;F15B9/08
主分类号
B64C13/00
代理机构
代理人
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地址
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