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“凤铝”铝合金窗遭投诉

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2007年8月,湖南郴州安仁的消费者尹女士向本刊记者投诉:其购买的"凤铝"铝型材安装不到一个半月全部出现腐蚀斑点,与生产厂家广

铝合金材质的圆弧导轨样本

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HepcoMotion ? ALR Aluminium Rings HepcoMotion ALR aluminium rings run with Bishop-Wisecarver DualVee polymer guide wheels. The system provides a cost-effective rotary movement for medium precision, lightly loaded applications. The rings are made from anodised aluminium and the wheels are made with a polymer outer form moulded onto a stainless steel bearing and stud. The system is therefore sui

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