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发明名称
HYDRAULIC CONTROL VALVE OPERATING RESPONSIVE TO HYDRAULIC LOAD PRESSURES
摘要
申请公布号
CA632787(A)
申请公布日期
1961.12.12
申请号
CAD632787
申请日期
申请人
THE FRANK G. HOUGH CO.
发明人
DON S. STRADER
分类号
主分类号
代理机构
代理人
主权项
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