270 / | HD | SHEET-MATERIAL ASSOCIATING |
52.01 | DF | ASSOCIATING OR DISASSOCIATING {11} |
58.01 | DF | .~ Sheet associating {13} |
58.18 | DF | .~.~ Plural stackers {2} |
58.2 | .~.~.~ With hopper {2} | |
58.21 | DF | .~.~.~.~> Radially arranged |
58.22 | DF | .~.~.~.~> Annularly arranged |