GB/T 7231-2003
Basic identification colors and code indications and safety sign for industrial pipelines (English Version)
- Standard No.
- GB/T 7231-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 7231-2003
GB/T 7231-2003 history
- 2003 GB 7231-2003 Basic identification colors and code indications and safety sign for industrial pipelines
- 1987 GB/T 7231-1987 Basic identification colours and code indications for industrial pipelines