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- 4,4ʹ-Сулфонилдифенол (CAS RN 80-09-1), използван в производството на полиарилсулфони или полиарилетерсулфони
As customs information experts ourselves, we love to dive into the nitty-gritty details. We feel that seeking out complex legislative information is a thrill. We love to study all possible data sources meticulously so that we can assure that all information for a commodity code is complete and up-to-date. And so we also know what it takes to meet all customs formalities.