SJ/T 9521-1993
Grading standard for telephoe (English Version)
- Standard No.
- SJ/T 9521-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Electron
- Status
- 2010-02
- Latest
- SJ/T 9521-1993
- Scope
- This standard applies to the quality classification of the above types of telephone products.
SJ/T 9521-1993 history
- 1993 SJ/T 9521-1993 Grading standard for telephoe
