Machine Valves and Structural Parts Thereof

Limit Switches; Sequencers; Integrated Logic Element Units; Relays; Air Speed Controllers; Solenoid Actuators; Pilot Controls; Pneumatic Control Components-Namely, Pushbuttons and Indicators; Automatic Control Valves; Electrical and Electronic Supervision, Measuring, Control, Switching, Transmitting, Receiving and Distribution Apparatus and Instruments Used in Industrial Control Operations: Electrical and Electronic Installation Units for Use in the Supervision, Checking and Automatic Remote Control of Industrial Operations and in the Calculation and Furnishing of Data and Statistical Information; and Structural Parts of All of the Foregoing