SJ/T 9564-1995
Quality grading standard for electret microphones (English Version)
- Standard No.
- SJ/T 9564-1995
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Electron
- Status
- 2010-02
- Latest
- SJ/T 9564-1995
SJ/T 9564-1995 history
- 1970 SJ/T 9564-1995 Quality grading standard for electret microphones
