220 / | HD | RECEPTACLES |
573.1 | COOKWARE (E.G., POT, BAKING PAN) {3} | |
573.2 | DF | .~> Nonstick inner surface |
573.3 | DF | .~> With heat-resistant support for protecting an underlying supporting surface |
573.4 | DF | .~> Having removable inner container (e.g., double boiler) {1} |