396 / | HD | PHOTOGRAPHY |
564 | DF | FLUID-TREATING APPARATUS {18} |
580 | DF | .~ Treating superimposed or laminar sheets {3} |
582 | DF | .~.~ Having fluid dispensing {1} |
583 | .~.~.~ Collapsible container {3} | |
584 | DF | .~.~.~.~> Removable or variable pressure roller or particular roller texture, composition, configuration, or spacing |
585 | DF | .~.~.~.~> Roll film handling |
586 | DF | .~.~.~.~> Nonrolling fluid spreading apparatus |