Gas purification machines; apparatus for the purification of exhaust gas, exhaust air and flue gas, namely, gas injectors for disbursing solids for purification and sterilization purposes, and gas scrubbers; environmental plants for the reduction of emissions, namely, gas scrubbers; plants for the purification of exhaust gas, exhaust air and flue gas, namely, air purifying units for commercial and industrial use; plants for flue gas desulphurization, namely, gas scrubbers; industrial fluidize...

Building, maintenance and repair of environmental plants for the reduction of emissions