| 968 / | HD | HOROLOGY |
| 651 | DD | GRIPPING, HOLDING OR SUPPORTING DEVICES (stands in general F16M; for instruments G01D 11/30, B01L) [G04D 1/00] {10} |
| 652 | DD | .~ For assembly entirely by hand [G04D 1/00B] {4} |
| 655 | | .~.~ Screwdrivers (screwdrivers in general B65B) [G04D 1/00B5] {1} |
| 656 | DD | .~.~.~> With power source for driving the screwdriver [G04D 1/00B5B] |