QSP

[Class - 11]

Lighting apparatus, namely, lighting installations; air conditioning installation; air filtering installation; gas scrubbing apparatus; gas scrubbers as parts of gas installations; ventilation and air conditioning installations and apparatus; cooling fans being parts of vehicle air conditioning systems; cooling modules being parts of vehicle air conditioning systems; fumes eliminators in metallurgical factories; cooling plates; plants, namely machines to purify gases and dusts; plants, namely machines to treat liquid and gaseous industrial wastes; air separation machines; dry and wet fume filtering apparatus for industrial use; industrial furnaces; blast furnaces; electrical furnaces; pre-heating furnaces; industrial cooking ovens; ladle metallurgy furnaces; melting and refining furnaces; coolers for furnaces; gas burners; liquid and gas burners; gas and liquid hydrocarbon burners; scrap preheating units; treatment furnaces; cooling beds for cast products; cooling beds for rolled products; purification installations for sewage; water purifying apparatus and machines; gas boilers; water cooling appliances and installations, namely, water cooling towers; water treatment machines, namely, water filtration units; dampers as control devices for heating to regulate the flow of air; cooling beds for rolled or cast products; units to purify gases and remove dust.