DIN EN ISO 8503-3 : 2012 Title: Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 3: Method for the calibration of ISO surface profile comparators and for the determination of surface profile - Focusing microscope procedure (ISO 8503-3:2012) Year: 2012 Publisher: DIN Media GmbH Availability: Within 1-2 working days