968 / | HD | HOROLOGY |
85 | DD | GEARWORK (Gearwork for driving the hands subclass 140; calibers subclass 284; dispositions and components for transmission in general F16H) [G04B 13/00] {5} |
87 | DD | .~ Where rotation in one direction is changed into a stepping movement [G04B 13/00C] {1} |
88 | .~.~ With a step for each complete revolution (counters in general H03K) [G04B 13/00C2] |