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1981年12月8日至11日,铁道部科技局、工务局、电务局在北京主持召开了“胶接钢轨绝缘接头”技术鉴定会。参加会议的有有关铁路局、勘测设计院、工程局,铁道部科学研究院,通号公司,北方交通大学,中国铁道出版社,中国科学研究院化学所,上海橡胶制品研究所,北京市技术交流站等26个单位,75名代表。 会议听取了北京、上海、广州、锦州铁路局关于
December 8, 1981 to 11, Ministry of Railways Science and Technology Bureau, Works Bureau, the Bureau of Electrical Affairs in Beijing chaired a “plastic welded rail insulation joint” technical appraisal. Participating in the meeting were related to the Railway Bureau, Survey and Design Institute, Engineering Bureau, Ministry of Railways Institute of Science and Technology, Tonghao Company, North Jiaotong University, China Railway Publishing House, Chinese Academy of Sciences Institute of Chemistry, Shanghai Institute of Rubber Products, Beijing Technology Exchange Station 26 units, 75 delegates. The meeting heard about Beijing, Shanghai, Guangzhou, Jinzhou Railway Bureau