| 134 / | HD | CLEANING AND LIQUID CONTACT WITH SOLIDS |
| * | DD | APPARATUS {34} |
| 166 R | DF | .~ For work having hollows or passages {5} |
| 169 R | ![]() | .~.~ With movable means to cause fluid motion (e.g., pumps, followers) {2} |
| 169 A | DF | .~.~.~> Automotive parts cleaner |
| 169 C | DF | .~.~.~> Conduit cleaner |