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在全国人民认真学习毛主席关于理论问题的重要指示的大好肜势下,一机部、煤炭部、冶金部(以下简称三部)竖井掘进机械化科研会战小组,于1975年4月18日至23日在甘肃金川笫八冶金建设公司召开了0.4米~3靠壁式液压抓岩机技术鉴定会。参加会议的有三部系统有关厂矿、施工、科研、院所等43个单位100名代表。
Under the magnificent momentum of earnestly studying Chairman Mao’s important instructions on theoretical issues, a machine-driven scientific research battle group was channeled by a mechanized ministry, a coal ministry, and a ministry of metallurgy (hereinafter referred to as the “Three”). From April 18 to April 23, 1975, Day in Jinchuan, Gansu eighth Metallurgical Construction Company held a 0.4 m ~ 3 hydraulic grabs rock wall technology appraisal. There were 100 representatives from 43 units participating in the conference, including factories, mines, construction, research institutes and institutes.