108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
33 | WITH HOUSING {6} | |
34 | DF | .~> Formed by collapsible surface {1} |
37 | DF | .~> Counterbalanced surface |
38 | DF | .~> Surface forms closure |
39 | DF | .~> Surface adjusts to plural operative positions |
40 | DF | .~> Surface slidably hinged to housing wall |
41 | DF | .~> Formed from support |