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发明名称
Dually effective hydraulic valve
摘要
申请公布号
US3302922(A)
申请公布日期
1967.02.07
申请号
US19640344697
申请日期
1964.02.13
申请人
LICENTIA PATENT-VERWALTUNGS-G. M. B. H.
发明人
GREGOR WILHELM;JORGJI BERNHARD
分类号
F15B13/01;F16K17/00
主分类号
F15B13/01
代理机构
代理人
主权项
地址
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