297 / | HD | CHAIRS AND SEATS |
250.1 | DF | SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.) {8} |
256.1 | .~ Adjustable to plural operative positions {4} | |
256.11 | DF | .~.~> Vertically |
256.12 | DF | .~.~> About a vertical axis; i.e., rotates |
256.13 | DF | .~.~> Tiltable |
256.14 | DF | .~.~> Reversible |