Download or read book GB T 16552 2017 Translated English of Chinese Standard GB T 16552 2017 GBT16552 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-11-02 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies the terms and definitions, naming rules, representation methods of gem. This standard applies to the naming of gem.