72108492
Nov 15, 1960
Sep 26, 1961
Process Equipment and Parts Thereof, Marketed Mainly to the Chemical, Pharmaceutical, and Oil Refining Industries, and Comprised of Burst Discs which Are Used as a Safety Release Device on Process Pressure Vessels; Centrifugal Pumps, for the Pumping of Mainly Corrosive Fluids; Heat Exchangers for the Handling of Corrosive Fluids for the Interchange of Heat, Such as, Cooling, Heating, Evaporation or Condensation
Yarns and Threads