108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
59 | DF | PLURAL RELATED HORIZONTAL SURFACES {11} |
162 | DF | .~ Foldable component {6} |
166 | DF | .~.~ Hinged horizontal surfaces {3} |
171 | ![]() | .~.~.~ Folded along longitudinal center line {1} |
172 | DF | .~.~.~.~> With latch |