DIN 2137-2 E:1984-09 Text and office systems - Keyboards - Part 2: German keyboard for data and text processing; Key arrangement and allocation of graphic characters to keys
2018DIN 2137-2:2018-12 Keyboards for data and text input - Part 2: Additional requirements; Text in German and English
1970DIN 2137-2 E:2018-04 Text and office systems - Keyboards - Part 2: German keyboard for data and text processing; Key arrangement and allocation of graphic characters to keys
2018DIN 2137-1:2018 Keyboards for data and text input - Part 1: German keyboard layout; Text in German and English
2012DIN 2137-1:2012 Keyboards for data and text input - Part 1: German keyboard layout; Text in German and English
2003DIN 2137-2:2003 Text and office systems - Keyboards - Part 2: German keyboard for data and text processing; Key arrangement and allocation of graphic characters to keys
1970DIN 2137-2 E:1986-09 Text and office systems - Keyboards - Part 2: German keyboard for data and text processing; Key arrangement and allocation of graphic characters to keys
1970DIN 2137-2 E:1984-09 Text and office systems - Keyboards - Part 2: German keyboard for data and text processing; Key arrangement and allocation of graphic characters to keys