Friction stir spot welding - Aluminium - Part 3: Qualification of welding personnel (ISO 18785-3:2018); German and English version prEN ISO 18785-3:2020
Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability - Determination of air permeability (ISO 2965:2009)— 33 стр.
