GB/T 13288.3-2009

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

涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第3部分：ISO表面粗糙度比较样块的校准和表面粗糙度的测定方法 显微镜调焦法