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Catalysts & Chemical Auxiliary Agents 24 12 月 2021 The composition of super glue 502-ethyl cyanoacrylate The composition of super glue 502-ethyl cyanoacrylate Super glue is a common commodity in daily life and has a wide... 隆昌化工 无评论
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Catalysts & Chemical Auxiliary Agents 20 12 月 2021 Sewage treatment chemicals commonly used in various sewage Classification and application of conventional coagulation agents Iron salt, aluminum salt and their compound medicaments Iron salt: polymeric ferric sulfate... 隆昌化工 无评论
Medicine News 17 12 月 2021 什么是化妆品，有哪些类型？您知道化妆品中的成分及其功能吗？ 什么是化妆品？目前，世界上还没有关于化妆品概念的统一定义。欧盟的... 隆昌化工 无评论
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