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产品名称： Chitin甲壳素Chitin (From shrimp and crab shells)
产品简介：chitin is a large, structural polysaccharide found in the cell walls of fungi, the exoskeletons of insects, and certain hard structures in fish and invertebrate..产品型号：T22291 原产地：中国大陆价格： ￥0.0
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