73778067
Feb 1, 1989
MACHINES FOR SURFACE TREATMENT OF METALS, NAMELY PICKLING AND CHEMICALS COATING MACHINES, AND WASTE ACID RECYCLING MACHINES
MachineryAIR POLLUTION CONTROL SYSTEMS COMPRISING GAS SCRUBBERS, SUCTION BOXES, AND VATS FOR USE WITH CHEMICALLY AGGRESSIVE GASES AND VAPORS, AND LIQUID TREATMENT SYSTEMS COMPRISING FILTRATION UNITS AND ACID RECOVERY UNITS
Environmental Control ApparatusDESIGN, DEVELOPMENT AND ENGINEERING SERVICES IN THE FIELD OF ACID REGENERATION PROCESSES
Computer and Scientific