微电脑耳机扩张力寿命试验机头戴耳机夹持力测试仪鸿合HH-8009B

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Tung-hong experimental mechanism construction co. Ltd

Address:Quandong province, one of the 107 zhuang village park lanes
Tel:17288008616

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17288008616

微电脑耳机扩张力寿命试验机 头戴耳机夹持力测试仪鸿合HH-8009B