YD/T 567-1992
Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments (English Version)
- Standard No.
- YD/T 567-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YD/T 567-1992
YD/T 567-1992 history
- 1992 YD/T 567-1992 Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments
