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发明名称
Hydraulic servomechanism with feedback-energy-dissipating control valve
摘要
申请公布号
US2922400(A)
申请公布日期
1960.01.26
申请号
US19560578093
申请日期
1956.04.13
申请人
HUGHES TOOL COMPANY
发明人
LORENCE HERMAN R.
分类号
B64C13/24
主分类号
B64C13/24
代理机构
代理人
主权项
地址
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