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南京科爾特KET系列雙螺桿塑料造粒機擠出機 KET20雙螺桿小型實驗機，KET30雙螺桿擠出造粒機，KET36雙螺桿擠出造粒機，KET35雙螺桿擠出造粒機，KET50雙螺桿擠出造粒機，KET52雙螺桿擠出造粒機，KET65雙螺桿擠出造粒機，KET75雙螺桿擠出造粒機，KET85雙螺桿擠出造粒機，KET95雙螺桿擠出造粒機 KET135雙螺桿擠出機造粒機

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