| 108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES | 
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| 153.1 |  | WITH SEPARABLE COMPONENTS {7} | 
| 154 | DF | .~> Surface and support interlocked by spaced detachable constrainer | 
| 155 | DF | .~> Surface secured to leg-connecting parallel member | 
| 156 | DF | .~> Independent legs support surface | 
| 157.1 | DF | .~> Surface separable from support entity {12} | 
| 158.11 | DF | .~> Having means to detachably connect a tubular component to another component | 
| 158.12 | DF | .~> Separable components connected together by interlocking parts (e.g., groove and tongue, etc.) | 
| 158.13 | DF | .~> Separable components connected together by clamping means |