73036587
Nov 7, 1974
Jan 23, 1979
MACHINES FOR THE STORAGE AND PROCESSING OF CHEMICALS, FOR METERING AND REGULATING THE INTRODUCTION OF REACTANTS INTO REACTION ZONES AND FOR EFFECTING CHEMICAL REACTIONS, PARTICULARLY FOR THE PRODUCTION OF POLYURETHANES AND POLYURETHANE FOAMS AND THE PARTS AND COMPONENTS OF SUCH MACHINES AND THE CONTROLS FOR SUCH MACHINES
Machinery