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发明名称
Hydraulic actuator control
摘要
申请公布号
US2981237(A)
申请公布日期
1961.04.25
申请号
US19580767146
申请日期
1958.10.14
申请人
LOUIS GRATZMULLER JEAN
发明人
GRATZMULLER JEAN LOUIS
分类号
F15B11/08
主分类号
F15B11/08
代理机构
代理人
主权项
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