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1974年11月11—16日在邯郸洗煤厂召开了直线振动筛和15米~2共振筛改进经验交流会。会议由峰峰矿务局和洛阳矿山机械研究所主持。一机部和燃化部系统的使用、设计、研究、制造和大专院校等34个单位的61名代表参加了会议,两部也派员参加了会议。与会代表首先认真学习了中央有关文件,提高了认识,受到了很大教育和鼓舞。
From November 11 to November 16, 1974, a straight shale shaker and a 15 m ~ 2 reshaping sieve were held in Handan Coal Preparation Plant to improve the experience exchange meeting. The meeting was hosted by Fengfeng Mining Bureau and Luoyang Mining Machinery Research Institute. Sixty-one delegates from 34 units including the use, design, research, manufacture and tertiary institutions of a machinery department and a combustion department attended the conference, and two ministers also attended the conference. Participants first carefully studied the relevant documents of the Central Committee, raised their awareness and received great education and encouragement.