| 431 / | HD | COMBUSTION |
| 298 | DF | FIBROUS WICK TYPE FLAME HOLDER {9} |
| 302 | ![]() | .~ Tubular wick having central supporting and air supplying structure {3} |
| 303 | DF | .~.~> Having lateral air inlet passage through wick |
| 304 | DF | .~.~> Having wick raiser {4} |
| 309 | DF | .~.~> Having air guide or distributor |