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华北地区公路科技信息网第二十届年会于1993年10月7日～10日在天津召开。出席会议的除本信息网成员单位66位代表以外,还邀请了交通部科技司、交通部信息研究所、建设部信息研究所、《公路》编辑部、人民交通出版社、其他地区公路信息网和有关厂家的代表。天津市市政工程局和公路局的领导出席了会
The 20th Annual Conference of Highway Science and Technology Information Network in North China was held in Tianjin from October 7 to October 10, 1993. Attending the meeting, in addition to 66 representatives of member units of this information network, Science and Technology Department of Ministry of Communications, Information Research Institute of Ministry of Communications, Information Research Institute of Ministry of Construction, Editorial Department of “Highway”, People’s Transport Press, and other regions Highway Information Network And the representatives of the manufacturers. Tianjin Municipal Engineering Bureau and the leadership of the Highway Bureau attended the meeting