75376107
Oct 20, 1997
Mar 30, 1999
directional control valves; descale valves for water control in the steel industry; and packaged systems comprising some or all of the following - pumping units, accumulators, unloading valves, descale valves, descale cabinets, automatic level controls for accumulator level control in the steel industry, and bypass valves and programmable controllers, all for use in the primary metals, defense and process valve industries
Electrical and Scientific Apparatus