YDJ 41-1986
Technical specifications for Installation engineering construction and acceptance of long-distance communication telephone exchange equipment (English Version)
- Standard No.
- YDJ 41-1986
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDJ 41-1986
YDJ 41-1986 history
- 1970 YDJ 41-1986 Technical specifications for Installation engineering construction and acceptance of long-distance communication telephone exchange equipment
