General Terms and Conditions
| Standard Terms of Purchase | |
| valid from February 2022 | |
| valid from February 2021 | |
| valid from April 1, 2018 | |
| valid from November 15, 2013 | |
| Standard Terms of Delivery and Sale | |
| valid from February 2022 | |
| valid from February 2021 | |
| valid from April 1, 2018 | |
| valid from November 15, 2013 |