this design is usually the window is to be used for the laminated glass, the need to use the frame bar, and with it, the door assembly, for use in the next frame after the ball is on the sea.;so, the task is single or double window, the window with the use of a separate, or the living room door, the door and window, the width of the two sides, the two work to install and use, but also for all type of plastic, the cost of production and consumption the management is difficult.;in this research, the core (1) of the rail (4) of the rail (2, 4) with respect to the frame (2), the door cover can be used as the frame (2) is inserted into the package (10) to form a random insertion. the assembly (8) and (9) ud6c4ubc29uc5d0uc11c chin support, and two windows. the track (4) and the groove (12) is formed on one side, and the inclined plane (13) of the tip part is a groove (7), (15) and the contact (14) is fixed, usually after the use of the two to use, or use the entry in order to use the door 2 i want to touch the rail, the sliding block for the use as is.
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