DIN EN ISO 9856-2012 输送带.弹性和固定伸长度的测定及弹性模量的计算(ISO 9856-2003 + Amd 1-2012).德文版本EN ISO 9856-2003 + A1-2012
Conveyor belts - Determination of elastic and permanent elongation and calculation of elastic modulus (ISO 9856:2003 + Amd 1:2012); German version EN ISO 9856:2003 + A1:2012