| Journal Call no. | HE8421.C72 |
|---|---|
| Article Title | Beijing-Shenyang-Harbin SDH system to be built. |
| Is Part Of | CTC news ; v.2, no.7, 20 Apr 1996, p.7-8. |
| Abstract | Following the construction of the Beijing-Shenyang-Harbin optic-fiber trunk, another important long haul trunk in Northeast China, the Beijing-Shenyang-Harbin SDH optical transmission system is being built. This system will traverse seven provinces and cities including Beijing, Tianjin, Hebei, Inner Mongolia, Liaoning, Jilin and Heilongjiang. |