GB/T 12220-1989
General purpose industral valves—Marking (English Version)
- Standard No.
- GB/T 12220-1989
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2016-02
- Replace By
- GB/T 12220-2015
- Latest
- GB/T 12220-2015
- Scope
- This standard specifies the mandatory and optional marking content and marking methods for general valves.
GB/T 12220-1989 history
- 2015 GB/T 12220-2015 Industrial valves.Marking
- 1990 GB/T 12220-1989 General purpose industral valves—Marking
