| 96 / | HD | GAS SEPARATION: APPARATUS | 
| 234 | DF | GAS AND LIQUID CONTACT APPARATUS FOR GAS SEPARATION INCLUDING MEANS TO REGENERATE, PURIFY, OR SEPARATE CONTACT LIQUID {4} | 
| 240 |  | .~ Filter for contact liquid {1} | 
| 241 | DF | .~.~> Including filter adjusting or removal means |