国产欧美日韩久久 - 亚洲理论在线a中文字幕

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詳細內(nèi)容

產(chǎn)品名稱	聚乙烯吡咯烷酮
英文名	Polyvinylpyrrolidone
CAS NO.	9003-39-8
Usage	It is mainly used as pharmaceutical excipient, blood bulking agent, cosmetic thickener, latex stabilizer and beer brewing clarifier.