DIN 2137-10 E:1988-10 Text and office systems - Keyboards - Part 10: German keyboard for data and text processing as well as for typewriters; Arrangement of key positions and key distances
2018DIN 2137-1:2018 Keyboards for data and text input - Part 1: German keyboard layout; Text in German and English
2012DIN 2137-2:2012 Keyboards for data and text input - Part 2: Additional requirements; Text in German and English
2003DIN 2137-10:2003 Text and office systems - Keyboards - Part 10: German keyboard for data and text processing as well as for typewriters; Arrangement of key positions and key distances
1970DIN 2137-10 E:1988-10 Text and office systems - Keyboards - Part 10: German keyboard for data and text processing as well as for typewriters; Arrangement of key positions and key distances