79151659
Mar 7, 2014
Mar 1, 2016
Ventilating installations, namely, air exchangers for cleaning and purifying air, air impellers for ventilation, Industrial apparatus using air for drying and cleaning components in the scientific and industrial laboratories; vents being air intake louvers, exhaust fan shutters, and ventilating louvers for condensing and for corrosive environments; ventilation and aeration apparatus, namely, ventilators to minimize energy consumption, ventilators for use in purifying air in laboratory environments; exhaust and supply ducts, namely, fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system in laboratory environments; ventilators, namely, fixed exhaust fans for commercial use, ventilating exhaust fans; volume flow regulators for ventilating installations, namely, automatic temperature regulators for central heating radiators, and dampers, namely, control devices used in air ducts to regulate the flow of air
Environmental Control ApparatusEngineering; construction drafting of laboratories and exhaust air installations; technical project planning, namely, engineering design services in the field of air quality measurement systems and air exchangers for cleaning and purifying air in industrial and scientific laboratories
Computer and Scientific