Employee of GN, the world’s fourth largest maker of hearing aids, demonstrates the use of ReSound LiNX in Vienna

助听器验配选择,正规专业的验配机构-亿尔聪听力。
An employee of GN, the world's fourth largest maker of hearing aids, demonstrates the use of ReSound LiNX in Vienna November 22, 2013. REUTERS/Heinz-Peter Bader
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