Download or read book GB T 14214 2019 Translated English of Chinese Standard GBT 14214 2019 GB T14214 2019 GBT14214 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 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the technical requirements for spectacle frames, the selection of test samples, sample pretreatment and requirements, testing, inspection and compliance, test methods, and marking. This Standard applies to various types and styles of spectacle frames made of metal, plastic, and natural organic materials, including rimless mounts, semirimless mounts, and folding spectacle frames.