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由国家建筑材料工业局科技发展司主办的煤用超细破碎机技术推广会于1990年10月16日至17日在唐山市解放军七○○七工厂召开。会议由科技发展司史哲民副处长主持,副司长谢泽致开幕词。参加会议的有国家建筑材料工业局技术开发中心、中国建筑材料科学研究院、
The Coal Superfine Crusher Technology Promotion Association sponsored by the Department of Science and Technology Development of the State Building Materials Industry Bureau was held from October 16 to October 17, 1990 in the Tangshan City People’s Liberation Army 7007 Factory. The meeting was chaired by the Deputy Director of Science and Technology Development Shi Zhemin, and Deputy Director Xi Ze delivered the opening speech. The National Building Materials Industry Bureau Technology Development Center and China Building Materials Science Research Institute participated in the conference.