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由天津铁路分局天津通信段和国家海洋局海洋技术研究所共同研制的中间站通信不间断电源柜于1994年12月通过了由北京铁路局主持的技术鉴定。
The uninterrupted power supply cabinet developed by Tianjin Communication Bureau of Tianjin Railway and Oceanographic Technology Institute of State Oceanic Administration passed the technical appraisal conducted by Beijing Railway Bureau in December 1994.