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聚乙烯吡咯烷酮(va64)
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kollidon sr-chemical quotation engine
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聚乙烯吡咯烷酮polyvinylpyrrolidone cas号:9003-39-8
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n-乙烯基-2-吡咯烷酮
图片内容是:吡咯烷酮
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添启食品级聚维酮k30聚乙烯吡咯烷酮k-30pvp添加剂 食用粘合剂 1kg
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甲基吡咯烷酮
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聚乙烯吡咯烷酮的性质与用途
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n-乙烯基吡咯烷酮;nvp 88-12-0 分析纯ar 500g/瓶
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2-吡咯酮
聚乙烯吡咯烷酮(va64)
kollidon sr-chemical quotation engine
聚乙烯吡咯烷酮polyvinylpyrrolidone cas号:9003-39-8
n-乙烯基-2-吡咯烷酮
添启食品级聚维酮k30聚乙烯吡咯烷酮k-30pvp添加剂 食用粘合剂 1kg
甲基吡咯烷酮
聚乙烯吡咯烷酮的性质与用途
n-乙烯基吡咯烷酮;nvp 88-12-0 分析纯ar 500g/瓶
2-吡咯酮