SYJ 21-1990
Code for architectural design of oil and gas fields and pipeline engineering (English Version)
- Standard No.
- SYJ 21-1990
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Petroleum
- Status
- 2008-12
- Replace By
- SY/T 0021-2008
- Lastest
- SY/T 0021-2016
SYJ 21-1990 history
- 2017 SY/T 0021-2016 Code for architectural design of petroleum and natural gas engineering
- 2008 SY/T 0021-2008 Design specification for construction of oil and gas field and pipework
- 1991 SYJ 21-1990 Code for architectural design of oil and gas fields and pipeline engineering
SYJ 21-1990 Code for architectural design of oil and gas fields and pipeline engineering was changed to SY/T 0021-2008 Design specification for construction of oil and gas field and pipework.