108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
51.11 | DF | INDUSTRIAL PLATFORM {20} |
57.17 | DF | .~ Load-contacting surface having parallel spaced-apart support members {3} |
57.2 | .~.~ Including elongated binding means extending perpendicular to and engaging upper surface of support members (e.g., flange, strap, etc.) |