2019DIN EN 16228-5/A1:2019 Drilling and foundation equipment - Safety - Part 5: Diaphragm walling equipment; German and English version EN 16228-5:2014/prA1:2019
2014DIN EN 16228-5:2014 Drilling and foundation equipment - Safety - Part 5: Diaphragm walling equipment; German version EN 16228-5:2014