DIN 50937:2023-08 Corrosion of metals and alloys - Comparative account of accelerated corrosion test methods and of their suitability for different fields of application and corrosion protection systems
2023DIN 50937:2023-08 Corrosion of metals and alloys - Comparative account of accelerated corrosion test methods and of their suitability for different fields of application and corrosion protection systems
2019DIN 50937:2019-03 Vacuum technology - acceptance specifications for liquid ring vacuum pumps