NFF31-112 铁路车辆-涂鸦的防护-清除材料与产品性能的试验过程和评估方法.NFF31-112 Railway rolling stock--Protection in relation to graffiti-Tests procedures and methods of valuation, behaviour of materials and products of expulsion.
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來源:防火網 發布時間:8/7/2013 點擊次數:2645