Download or read book GB T 37647 2019 Translated English of Chinese Standard GBT 37647 2019 GB T37647 2019 GBT37647 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-03-08 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the sampling method, sample preparation and sample extraction method for the migration test of certain elements in toy and children product in the simulated human environment.