ISO 4048 ویرایش سوم (2018) Leather — Chemical tests Determination of matter soluble in dichloromethane and free fatty acid content pdf   ...

ISO 5398 Leather- Chemical Determination of chromic oxide content Part 1: Quantification by titration   pdf ...

ISO 6892 Metalic Materials- Tensile Testing Part 1: Method of test at room temperature (ویرایش دوم 2016) 86 صفحه pdf Part 2: Method of test at elevated temperature (ویرایش دوم 2018) 28 صفحه pdf ...