The document applies to the dimensioning of ladders for special professional use, e.g. ladders for fruit-trees, ladders for window cleaning etc. which are not in conformity with DIN EN 131-1 and DIN EN 131-2. It does not apply to fire brigade ladders.
DIN 4567:1998 history
2020DIN 4567-1:2020 Ladders for special professional use - Part 1: Ladders for fruit-trees made of wood or aluminium
0000 DIN 4567-1:2019
1998DIN 4567:1998 Ladders - Design for ladders for special professional use