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If you are sourcing α-Amylase from United-States ,just feel free to inquire

Company：	Roche Molecular Biochemicals
E-mail：	chem@netsun.com
Address：	Roche Diagnostics Corporation.Roche Applied Science . P.O. Box 50414 9115. Hague Road .Indianapolis, IN 46250-0414
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α-Amylase