| 摘要 |
PURPOSE: A window is provided to easily remove foreign materials between a lower frame and a floor, since the lower frame of the window is removed from an insect screen. CONSTITUTION: A window comprises an upper frame(120a), a lower frame(120b), a left frame(120c), a right frame(120d), and a mesh(140). One end of the lower frame is hinge-coupled with the right frame. The other end of the lower frame is detachably coupled with the left frame. |
