DIN EN 131-2:1993 Ladders DIN requirements Testing Marking EN 1 31 German version EN 131-2: 1993 Part 2 Ladders; Requirements, testing, marking; Replacement for German version EN 131-2: 1993 DIN 4568 T 2/1188 Echelles; Exigences, essays, marquage; German version EN 131-2: