| 摘要 |
PURPOSE: A ventilation louver and a manufacturing method of a slat for a ventilation louver are provided to maintain the exterior visuality of the ventilation louver. CONSTITUTION: A ventilation louver comprises a plurality of slats(100). The slats are rotated at predetermined angle and contacted to be connected with each other by forming stepped portions. The inner space of the slat is vacuum state. The slat is made of aluminum. |
