Electric Servomotors and Electro-Hydraulic Servomotors for Machine and Motion Control; Control Amplifiers for Servomotors; Power Supplies and Chokes for Servomotors; Roll Feed Servodrive Systems-Namely, Servomotors, Power Supplies and Controls Sold as a Unit for the Supply of Strip Material in Pre-Selected Lengths and Pre-Determined Speeds to Machines for Processing the Strip Material; Digital Closed Loop Programmable and Non-Programmable Controllers for Servodrive Systems; Current Power Tran...