| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel door system of excellent crime preventiveness. SOLUTION: A pair of guide rails having opposed groove parts of the same shape are provided, and one guide rail can be mounted to a door frame, while the other guide rail can be mounted to a door in facing proximity. A flexible strip body movable in the groove parts is provided, and a strip body moving means is provided. COPYRIGHT: (C)2005,JPO&NCIPI
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