Download or read book QB/T 4745-2014 Translated English of Chinese Standard (QB/T 4745-2014, QBT4745-2014) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2023-09-30 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the terms and definitions, requirements, test methods, inspection rules, signs of tongue scrapers. This standard applies to manual tongue scrapers, which are made of plastic and other polymer materials, for cleaning the tongue surface.