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国家机械工业部机械科学研究院委托山东省机械设计研究院负责由山东省桓台县蠕墨铸铁厂、烟台铸造中心厂、潍坊齿轮箱厂参加共同承担的“六五”国家重点科技攻关项目的子项《蠕墨铸铁蠕化剂的研究和应用》课题,经过近两年的试验研究和三个协作厂的生产验证达到了予期目标。机械工业部机械科学研究院于一九八五年十二月二日在桓台县通过技术鉴定。认为这项科研成果具有国际水平。
Mechanical Engineering Research Institute of the State Ministry of Machinery Industry commissioned by Shandong Institute of Mechanical Design is responsible for Huantai County, Shandong Province vermicular iron plant, casting factory in Yantai, Weifang Gearbox plant to participate in the “65” national key scientific and technological projects The subproject “Study and Application of Vermicular Cast Iron Orimulsion” has achieved the expected target after nearly two years of experimental research and production verification of three cooperating plants. Machinery Industry Research Institute of Machinery Industry on December 2, 1985 in Huantai County passed the technical appraisal. Think that this scientific research achievement has the international standard.