239 / | HD | FLUID SPRINKLING, SPRAYING, AND DIFFUSING |
225.1 | DF | DISTRIBUTOR CONTINUOUSLY MOVES RELATIVE TO SUPPORT DURING SPRAYING {16} |
251 | DF | .~ Reaction-type nozzle motive means {8} |
256 | DF | .~.~ Control of speed or axis of rotation shiftable (manual valves excluded) {2} |
258 | .~.~.~ Varying jet to change tangential reaction component |