DIN 509:2006 Technical drawings - Relief grooves - Types and dimensions
DIN ISO 2768-1:1991 General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989
DIN 58756-1:2015 history
2015DIN 58756-1:2015-05 Production in optical engineering - Small lenses - Carriages and supporting mounts
2015DIN 58756-1:2015 Production in optical engineering - Small lenses - Carriages and supporting mounts