作者: Subaru Matsumoto , Kou Komori
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摘要: A corrugated fin (6) disposed between flat tubes (5) having a cross-sectional shape extended in first direction includes plurality of plate portions (6A) and folded (6B). Each portion has louvers (7) formed by cutting raising, the being inclined with respect to substantially continuous each other direction. an extension (60) projecting windward from joining region (8) where (6B) are joined (5). foremost louver (7a) that is located on most side among entirely within (60). front (61) (7a). The area larger than half