Friction stir welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO/DIS 25239-4:2009); German version prEN ISO 25239-4:2009
Chemical analysis of refractory material glass and glazes - Determination of Fe<(hoch)2+> and Fe<(hoch)3+> by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011); German version EN ISO 14719:2011— 18 стр.
Friction stir welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 25239-4:2011); German version EN ISO 25239-4:2011— 30 стр.
