| 摘要 |
A window having a blind disposed between interior and exterior panes of glass. A glazed interior door is movably disposed on the lower frame of a glazed exterior door, and the blind is disposed between these doors to form a double-glazed door. A plurality of sash rollers are movably mounted to the lower frame of the interior door and capable of moving along the rails mounted to the lower frame of the exterior door. Screws are detachably screwed into the interior and exterior doors to prevent these doors from moving relative to each other. The double-glazed door is arranged on the rails in the sash via a plurality of sash rollers which are rotatably mounted to the lower frame of the exterior door.
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