9
CONTROL, MEASURING AND MONITORING APPARATUS AND INSTRUMENTS, NAMELY ELECTRONIC CONTROLLERS, MEASURING INSTRUMENTS, MONITORS AND ELECTRONIC SENSORS FOR CONTROLLING AND MONITORING THE FUNCTION AND OPERATION OF APPARATUS AND INSTRUMENTS USED IN PULP MILLS, PAPER MILLS AND IN POWER PLANTS
11
AIR PURIFICATION UNITS FOR INDUSTRIAL USE; APPARATUS AND INSTRUMENTS FOR ODOR GAS TREATMENT IN PULP MILLS, PAPER MILLS AND POWER PLANTS, NAMELY, COLLECTION PIPES, SCRUBBERS, CONDENSERS, COLLECTION TANKS, DROPLET SEPARATORS, FANS, STEAM EJECTORS, RUPTURE DISCS AND FLAME ARRESTERS, AND INCINERATORS
42
RESEARCH AND DESIGN SERVICES, NAMELY, RESEARCH AND DESIGN SERVICES OF APPARATUS, NAMELY, COLLECTION PIPES, SCRUBBERS, CONDENSERS, COLLECTION TANKS, DROPLET SEPARATORS, FANS, STEAM EJECTORS, RUPTURE DISCS AND FLAME ARRESTERS, AND INCINERATORS RELATED TO CIRCULATION OF CHEMICALS IN PULP MILLS; RESEARCH AND DESIGN SERVICES OF APPARATUS, NAMELY, COLLECTION PIPES, SCRUBBERS, CONDENSERS, COLLECTION TANKS, DROPLET SEPARATORS, FANS, STEAM EJECTORS, RUPTURE DISCS AND FLAME ARRESTERS, AND INCINERATORS RELATED TO ENERGY PRODUCTION AND AIR POLLUTION CONTROL