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发明名称
Servo circuit with variable back-pressure return
摘要
申请公布号
US2829496(A)
申请公布日期
1958.04.08
申请号
US19550551109
申请日期
1955.12.05
申请人
VICKERS INCORPORATED
发明人
HALLMAN RUSSELL H.
分类号
F15B11/08
主分类号
F15B11/08
代理机构
代理人
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地址
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