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 |