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1991年11月16日由宁夏回族自治区经委主持,在银川市召开验收会,对机械电子工业部北京起重运输机械研究所和银川起重机器厂联合研制的“φ600气力容器式管道循环试验线”进行了验收.参加会议的有国家计委、机电部、物资部、宁夏回族自治区以及机电、钢铁、煤炭、电力部门的设计院等单位的代表,共70多人.
November 16, 1991 by the Economic Commission of Ningxia Hui Autonomous Region presided over the acceptance meeting held in Yinchuan City, the Ministry of Machinery and Electronic Industry Beijing Hoisting Machinery Institute and Yinchuan Crane Works jointly developed a “φ600 pneumatic container pipeline cycle test line” The meeting was attended by over 70 representatives from the State Planning Commission, the Ministry of Mechanical and Electrical Affairs, the Materials Department, the Ningxia Hui Autonomous Region and the Design Institute of the electromechanical, steel, coal and power sectors.