270 / | HD | SHEET-MATERIAL ASSOCIATING |
52.01 | DF | ASSOCIATING OR DISASSOCIATING {11} |
58.01 | DF | .~ Sheet associating {13} |
58.07 | DF | .~.~ Performing operation on stacks (e.g., binding, cutting) {3} |
58.14 | DF | .~.~.~ Plural stackers {2} |
58.15 | .~.~.~.~ Means to spread apart stackers |