968 / | HD | HOROLOGY |
248 | DD | MECHANICAL DEVICES FOR SETTING THE TIME-INDICATING MEANS [G04B 27/00] {8} |
255 | DD | .~ By making use of the winding means (winding by hand or mechanically subclass 23) [G04B 27/02] {4} |
257 | .~.~ For several clockworks or pairs of hands and/or supplementary functions [G04B 27/02F] |