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Apparatus and Instruments-Namely, Automatically Actuated Electric Switch Fluid Level Controls, External Float Cage Liquid Level Controls, Displacement Type Liquid Level Controls, Magnetically Operated Flow Switches, Pneumatic Liquid Level Controls, Electronic and Ultrasonic Level Controls, and Level and Flow Instrumentation for Use in Measuring, Monitoring, Indicating, Signalling and/or Controlling the Level of Liquids and/or Dry Materials and the Flow of Fluids

Automatically Actuated Electric Switch Fluid Level Controls