77785731
Jul 21, 2009
Apr 27, 2010
Centralized dust exhaustion plants and installations for domestic purposes, namely, household air cleaners, air purifiers, separators for the cleaning and purification of air; ventilation, air cooling and purifying, and air conditioning apparatus and installations, namely, air extraction and supply fans, air extraction and supply outlets, air inlets, ventilating exhaust outlets
Environmental Control Apparatus