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在巩固和发展无产阶级文化大革命胜利成果的大好形势下,一机部、冶金部于1975年11月26日至12月1日在辽宁省本溪市召开了73-200型潜孔钻机鉴定会。出席会议的有来自全国16个省、市、矿山、制造、科研、设计、大专院校等47个单位,169名代表,上级有关部门负责人参加了会议并讲了话。会议以阶级斗争为纲,认真学习毛主席一系列重要指示;听取了联合试验组关于73-200型潜孔钻机与W-200型无阀冲击器的设计、试
Under the excellent situation of consolidating and developing the victory of the Great Proletarian Cultural Revolution, a machinery department of the Ministry of Machine Building and Metallurgy convened an identification meeting of the 73-200 DTH drill rig in Benxi, Liaoning Province from November 26 to December 1, 1975. Attending the meeting were 47 units, 169 representatives from 16 provinces, municipalities and mines, manufacturing, scientific research, design, universities and colleges, and heads of relevant departments at higher levels attended the meeting and made speeches. The meeting took the class struggle as the key link and conscientiously studied Chairman Mao’s series of important instructions. He listened to the joint pilot group’s study on the design of 73-200 DTH drilling rig and W-200 valveless impactor,