Technology R & D
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2021.06.10
《Industrialized production device for liquid sulfur trioxide》ZL201120559487.9
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2021.06.10
《Industrialized production unit for p-toluenesulfonamide》ZL201220013051.4
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2021.06.10
《Automatic adjustment device for ion-exchange membrane caustic soda concentration》ZL201220013034.0
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2021.06.10
《Enamel tube air preheater》ZL201220045534.2
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2021.06.10
《Industrialized production method of p-methylsulfonylbenzene toluene》ZL201110291274.7
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2021.06.10
《Industrialized production method of high-purity sulfuric acid》ZL201110447951.X
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2021.06.10
《Oil-water separation device for fatty acid wastewater》ZL201220321402.8
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2021.06.10
《Method for preparing 4-methylsulfonyl toluene》ZL201110360094.X
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2021.06.10
《Industrialized production process of p-toluene sulfonamide》ZL201210008930.2
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2021.06.10
《Preparation method of o-nitro-p-methylsulfonyl benzoic acid》ZL200910096732.4