QB/T 1790-1993
crystal rose (English Version)
- Standard No.
- QB/T 1790-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Light Industry
- Status
- 2012-04
- Replace By
- QB/T 1790-2011
- Latest
- QB/T 1790-2011
QB/T 1790-1993 history
- 2011 QB/T 1790-2011 Rose crystals
- 1993 QB/T 1790-1993 crystal rose
