79168519
Dec 22, 2014
Apr 26, 2016
Air-conditioning and ventilation apparatus and instruments and structural parts therefor; air purification units and air purification filters, sold as a unit; air humidifying apparatus; cooling evaporators; water treatment unit for recirculating water; turbine ventilators
Environmental Control ApparatusRepair, maintenance and installation of ventilation and air conditioning devices and systems
Building Construction and Repair