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发明名称
Dynamic pressure feedback servo valve
摘要
申请公布号
US3042005(A)
申请公布日期
1962.07.03
申请号
US19590809429
申请日期
1959.04.28
申请人
HYDRAULIC RESEARCH AND MANUFACTURING COMPANY
发明人
GRAY SAMUEL A.
分类号
F15B13/16
主分类号
F15B13/16
代理机构
代理人
主权项
地址
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