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 | .~.~.~ Diagonally opposed stops or seals {1} | |
393 | DF | .~.~.~.~> On pivot carrying portal members |