paperback. Condizione: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2010-10-01 Pages: 20 Language: Chinese . English Publisher: Shanghai People's Fine Arts Publishing House tethered balloon vehicle monitoring system is China 2010 Shanghai World Expo will showcase the application of information technology projects. The project consists of balloon ball . mooring ropes. optical platforms and anchor . inflatable . measurement and control components and other special vehicles . For the Shanghai World Expo will be a custom balloon airborne opti.Four Satisfaction guaranteed,or money back.