968 / | HD | HOROLOGY |
685 | DD | WATCHMAKER'S OR WATCH-REPAIRER'S MACHINES OR TOOLS FOR WORKING MATERIALS (metal working in general Class B23) [G04D 3/00] {7} |
686 | DD | .~ For mechanical working other than with a lathe (lathes for watchmakers subclass 724) [G04D 3/00B] {10} |
687 | DD | .~.~ For parts of driving means [G04D 3/00B2] {2} |
688 | .~.~.~ For springs (springs in general B21F; mainspring construction subclass 10; springs for the regulating mechanism subclass 701) [G04B 3/00B2B] |