79048569
Oct 4, 2007
Dec 9, 2008
Blowing machines for regulating air flow and blowing machines for the compression, exhaustion and transportation of gases
MachineryUndirectional vane axial flow fans, blade reversing vane axial fans and motor reversing tube axial fans for industrial process ventilation, mining ventilation, airport ventilation systems, road and rail tunnel ventilation systems, metro ventilation systems and wind tunnels
Environmental Control Apparatus