74469561
Dec 14, 1993
Jul 6, 1999
heat recovery fans; apartment fans; bathroom heating units; wall mounted heaters; turbine type electric ventilating fans; air purifying units for domestic and commercial use; bathroom fans
Environmental Control Apparatus[ custom manufacture of turbine ventilation units for commercial and domestic use, air exchangers for cleaning and purification of air, heat exchangers, heat recovery fans, kitchen ventilation hoods, bathroom heating units, wall mounted heaters, turbine type electric ventilating fans, air purifying units for commercial and domestic use, and bathroom fans, to the order and specification of others ]
Treatment of Materials