Chinese Standard: GB 9448-1999

Safety in welding and cutting

EQV  ANSI/AWS Z49.1

全国焊接标准化技术委员会                     

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.