JB/T 7477-1994
Photoelectric transcription needle technical conditions (English Version)
- Standard No.
- JB/T 7477-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 7477-1994
JB/T 7477-1994 history
- 1994 JB/T 7477-1994 Photoelectric transcription needle technical conditions
