297 / | HD | CHAIRS AND SEATS |
423.1 | DF | REST FOR KNEE, LEG, OR FOOT {6} |
423.11 | .~ For occupant's knee or shin (e.g., sit-kneel type of chair, etc.) {2} | |
423.12 | DF | .~.~> Adjustable relative to chair or seat to plural use positions |
423.13 | DF | .~.~> Convertible to a chair or seat without kneerest |