GAPLESS SLIDING WINDOW RAIL, WINDOW INCLUDING SAME AND PROVISION METHOD THEREFOR
The present invention relates to a gapless sliding window rail, a window including same and a provision method therefor, and the objective of the present invention is to: block the gap between a window sash and a window frame at the upper part of the window sash to prevent heating/cooling efficiency...
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Format: | Patent |
Sprache: | eng ; fre ; kor |
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