83 / | HD | CUTTING |
13 | DF | PROCESSES {17} |
39 | DF | .~ Plural cutting steps {4} |
42 | DF | .~.~ Repetitive transverse severing from leading edge of work {3} |
44 | .~.~.~ With longitudinal severing {3} | |
45 | DF | .~.~.~.~> Effected by plural steps |
46 | DF | .~.~.~.~> Along zigzag or undulant line or cut |
47 | DF | .~.~.~.~> Prior to transverse severing |