This part of the prEN 1335:1999 applies to office work chairs. It specifies dimensions of three types of chairs as well as test methods for their determination.
EN 1335-1:2000 history
2022EN 1335-1:2020+A1:2022 Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions
2021EN 1335-1:2000/prA1:2021 Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions
2000EN 1335-1:2000 Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions