YDJ 37-1981
Technical specifications for Installation engineering construction and acceptance of urban local telephone exchange equipment (English Version)
- Standard No.
- YDJ 37-1981
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDJ 37-1981
YDJ 37-1981 history
- 1970 YDJ 37-1981 Technical specifications for Installation engineering construction and acceptance of urban local telephone exchange equipment
