| 968 / | HD | HOROLOGY |
| 2 | DD | DRIVING MECHANISMS (driving mechanisms for Turkish time subclass 167; driving mechanisms in the hands subclass 396; driving mechanisms for phonographic apparatus G11B 19/00; springs, driving weight engines F03G; driving mechanisms for cinematography G03B 1/00; driving mechanisms; driving mechanisms for time fuses for missiles F42C; driving mechanisms for toys A63H 11/23) [G04B 1/00] {4} |
| 20 | | .~ With both mainsprings and driving weights (winding up several mainsprings or driving weights simultaneously subclass 28) [G04B 1/24] |