DL/T 679-1999
Code for welder technical qualification (English Version)
- Standard No.
- DL/T 679-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Electricity
- Status
- 2012-03
- Replace By
- DL/T 679-2012
- Latest
- DL/T 679-2012
DL/T 679-1999 history
- 2012 DL/T 679-2012 Code for welder technical qualification
- 1999 DL/T 679-1999 Code for welder technical qualification
