| 摘要 |
A window covering includes a frame including an upper wall and a lower wall, a first side wall and a second side wall. A window is mounted in the frame and has a length less than a length of the upper and lower walls. A guide assembly extends along a length of the frame. Each of a pair of panels is positioned in the guide assembly such that the panels are orientated substantially parallel to the window. The panels are selectively positioned in a closed position abutting each other in front of the window or in an open positioned spaced from each other.
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