专利名称：Hydraulic control valves
发明人：Thomas F. Lewis,John E. Ochsenreiter申请号：US06/849150申请日：19860407公开号：US04924902A公开日：19900515
摘要：A set of components for creating various spool-type directional control valves.By rearranging the spools and springs, or reversing one or more spools end-to-end,valves with different desired and preselected flow patterns can be made from the samecomponents.
申请人：SNAP-TIRE, INC.
代理机构：Woodling, Krost & Rust
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