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                    SigmaSigma-Aldrich 為德國達姆施塔特默克集團(Merck KGaA)或其子公司商標。默克 Sigma-Aldrich? 產品組合提供廣泛而深入的實驗室和生產材料組合,結合技術支持和科學合作伙伴關系,充分展現了我們共同的科學探索精神。

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