| 431 / | HD | COMBUSTION |
| 298 | DF | FIBROUS WICK TYPE FLAME HOLDER {9} |
| 320 | ![]() | .~ Liquid fuel container carries wick guide or support {4} |
| 321 | DF | .~.~> Having distinct container filling or venting structure |
| 322 | DF | .~.~> Means supporting displaced wick guide or support on fuel container |
| 323 | DF | .~.~> Having absorbing, baffling or additional wick supporting structure in container |
| 324 | DF | .~.~> Detachable closure securing guide to container |