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      咨詢DM-2887 & 2887 Metal

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      DM-2887 & 2887 Metal 100% 二甲基聚硅氧烷;特殊應用柱子,用于模擬蒸餾;熱穩(wěn)定性達360 ºC;極性相似于DB-2887,Petrocol 2887
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