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产品名称： Silicon dioxide；化合物 T34642Silicon dioxide
产品简介：silicon dioxide is a transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, quartz, and tridymite. the compo..产品型号：T34642 原产地：中国大陆价格： ￥0.0
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