
Conveyor belts - Determination of elastic and permanent elongation and calculation of elastic modulus (ISO 9856:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Conveyor belts - Determination of elastic and permanent elongation and calculation of elastic modulus (ISO 9856:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频