85892194
Apr 1, 2013
Dec 24, 2013
Air-conditioning, air cooling and ventilation apparatus and instruments; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilating, high-velocity fixed exhaust fans for commercial and agricultural use; Ventilating, high-velocity portable exhaust fans for commercial and agricultural use
Environmental Control Apparatus