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1986年12月13日至15日,冶金部在唐山市组织科研、设计、院校和厂矿共23个单位的40名代表,对由冶金部马鞍山矿山研究院负责研究设计、北京冶金设备制造厂负责试制、华北矿建第二井巷公司马万水工程队负责工业试验的SD8-20型小曲率半径搭接式梭车进行了审查,并通过了技术鉴定。
From December 13 to December 15, 1986, the Ministry of Metallurgy organized 40 delegates of 23 units in scientific research, design, institutes and factories and mines in Tangshan City to study and design the Maanshan Mining Research Institute of the Ministry of Metallurgy, Beijing Metallurgical Equipment Manufacturing Plant Responsible for trial production, North China Mine Construction Second Well Lane Mavan Water Works team responsible for industrial tests SD8-20 small radius of curvature shuttle shuttle was examined and passed the technical appraisal.