FISHER
pressure regulators, automatic control valves and their parts, namely, valve bodies, actuators, [ air signal relays, position switches, signal transducers,] positioners, displacer sensors, transmitters, [ strainers,] cages, and trims; [ automatically controlled bellows for sealing the valve steam area of industrial control valves; density controllers, density transmitters, electric regulators, flowmeters, flow transmitters, and ] fluid diffusers; industrial process control and instrumentation...
Registered · June 1, 1993 · 74398137 ·