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HEZE J-UNITED CHEMICAL CO., LTD.

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AV不卡在线永久免费观看_精品久久久无码中文字幕一丶_欧美老妇大p毛茸茸_精品国产乱码久久久久久一区二区

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—— Formaldehyde-N-methylbenzenesulfonamide-6-phenyl-1,3,5-triazine-2,4-diamine Copolymer ——

Product Name:Formaldehyde-N-methylbenzenesulfonamide-6-phenyl-1,3,5-triazine-2,4-diamine Copolymer
CAS NO.: 54307-02-7

Previous product： Formaldehyde-Melamine-Tosylamide Copolymer

Next product： Tosylamide/epoxy resin

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Copyright(C)2021 , Heze J-United Chemical Co., Ltd. All Rights Reserved. Supported by Copyright Notice

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