Regional flag of Macao Special Administrative Region
国家质量技术监督局标准化司
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.
