Author : https://www.codeofchina.com
Publisher : https://www.codeofchina.com
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4./5 ( download)
Book Synopsis GB/T 38880-2020 English Translation of Chinese Standard by : https://www.codeofchina.com
Download or read book GB/T 38880-2020 English Translation of Chinese Standard written by https://www.codeofchina.com and published by https://www.codeofchina.com. This book was released on with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: his standard specifies the terms and definitions, classification and specification, technical requirements, test methods, inspection rules, packaging, marking, safety warning, and transportation and storage of children mask (hereinafter referred to as mask). This standard is applicable to the marks worn by children aged 6~14 years, for filtering particulate matters in the air and blocking microorganisms, pollen, droplet, etc. This standard is not applicable to masks with electric air supply (exhaust) devices.