Hetian Yu—Testing and classification
全国珠宝玉石标准化技术委员会(SAC/TC 298)
本标准规定了和田玉的术语和定义、鉴定、分类、命名规则和鉴定证书的基本内容。
本标准适用于和田玉原料及成品的鉴定与分类。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you have successfully purchased, please go to the plug-in category of the store and download the free plug-in installation package.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
