YDJ 44-1989
Provisional Technical Regulations for the Construction and Acceptance of Optical Fiber Digital Transmission System Projects in Telecommunication Networks (English Version)
- Standard No.
- YDJ 44-1989
- Language
- Chinese, Available in English version
- Release Date
- 1990
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDJ 44-1989
YDJ 44-1989 history
- 1990 YDJ 44-1989 Provisional Technical Regulations for the Construction and Acceptance of Optical Fiber Digital Transmission System Projects in Telecommunication Networks
