| 204 / | HD | CHEMISTRY: ELECTRICAL AND WAVE ENERGY |
| 193 | DF | APPARATUS {5} |
| 194 | DF | .~ Electrolytic {11} |
| * | DD | .~.~ With movable electrode means {7} |
| 198 | DF | .~.~.~ Work conveyer {2} |
| 199 | ![]() | .~.~.~.~ Rotary {2} |
| 200 | DF | .~.~.~.~.~> With base treatment |
| 201 | DF | .~.~.~.~.~> Loose article |