| 摘要 |
PROBLEM TO BE SOLVED: To provide a window capable of being easily opened and closed and also being easily ventilated. SOLUTION: The window is provided with a first window frame 12 fixed to an opening of a building, a first shoji 14 openably fitted to the first window frame 12 and having a frame-shaped stile 24, a middle rail 28 dividing the first shoji 24 by connecting one side and another side of the stile 24, a second window frame 48 installed at least one side of the first shoji 14 divided by the middle rail 28, and a second shoji 50 openably fitted to the second window frame 48. COPYRIGHT: (C)2003,JPO
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