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2009年8月8日,长虹在沈阳棋盘山国际风景区举行09国庆乐教电视新品发布会,率先在行业内发布了LED920、液
August 8, 2009, Changhong held in Shenyang Qipanshan International Scenic Area 09 National Day new music teaching TV conference, the first in the industry released LED920, liquid