968 / | HD | HOROLOGY |
925 | DD | VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9} |
936 | DD | .~ In which functions not related to time can be displayed (digital output to display devices of digital computers G06F 3/14) [G04G 9/00F] {1} |
937 | .~.~ Combined with a calculator or computing means [G04G 9/00F2] |