| 摘要 |
The present invention relates to a door and, more specifically, to a door comprising: a door frame; an operating unit sliding-stored in the door frame; and a blocking plate to be withdrawn from the door frame as connected to the operating unit. Provided is an effect of maximizing the insulation around the entrance by making sure of intermitting a gap between a show-window frame and an upper part of the door, and a gap between a floor surface and a lower part of the door. |
