$5+
General specifications of iron valves for urban water supply
城镇给水用铁制阀门通用技术要求
中华人民共和国建设部
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 need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.