| 49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
| 381 | DF | WITH MEANS MOUNTING CLOSURE FOR SWINGING {13} |
| 388 | DF | .~ Pivots on opposed portal members {2} |
| 390 | DF | .~.~ Closure portions on opposite sides of portal in open position {2} |
| 392 | DF | .~.~.~ Diagonally opposed stops or seals {1} |
| 393 | | .~.~.~.~ On pivot carrying portal members |