73263949
May 28, 1980
Oct 5, 1982
Machines for Proportioning Particulate Materials by Their Weight-Namely, Electronic Proportioning Machines; Proportioning Weightmeters; Proportioning Belt Weightmeters; Recording Belt Weightmeters; Weighing Hoppers; Weighing Feeders; Meters for Measuring Permeability of Particulate Materials; Flow Meters for Particulate Materials; Flow Proportioning Machines; Controlled Discharge Hoppers; Process Control Machines-Namely, Electronic Variable Speed Drives
Electrical and Scientific Apparatus