YDN 117-1999
Planning method and organization principle for digital synchronization network (internal standard) (English Version)
- Standard No.
- YDN 117-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDN 117-1999
YDN 117-1999 history
- 1999 YDN 117-1999 Planning method and organization principle for digital synchronization network (internal standard)
