Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 30818-2014 |
Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries 石油和天然气工业管线输送系统用全焊接球阀 |
China National Standards Fully welded body |
![]() English PDF |
Find out:1Items | To Page of: First -Previous-Next -Last | 1 |