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由中国建材研究院水泥所主持制定的“混凝土泵送剂”国家标准于1991年4月15日在北京通过了专家审议。会议由国家建材局标准化研究所主持,参加会议的有来自国家技术监督局、国家建材局、建设部、冶金部、铁道部,北京市建工、城建、市政等部门的有关科研院所、生产厂家、施工单位、高等院校及质检机构共22个单位35名专家、代表。
The “Concrete Pumping Agent” national standard formulated by the Cement Institute of China Building Materials Research Institute passed the expert review in Beijing on April 15, 1991. The conference was presided over by the National Institute of Building Materials Standardization. The participants from the National Technical Supervision Bureau, the State Bureau of Building Materials, the Ministry of Construction, the Ministry of Metallurgy, the Ministry of Railways, the relevant research institutes and production facilities of the Beijing Construction, Urban Construction, Municipal and other departments. There are a total of 35 experts and representatives of 22 units from manufacturers, construction units, universities and quality inspection institutions.