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合肥锻压机床厂研制的RPT100型快速液压机、YH32-1000型10000kN四柱液压机、YA27-160型1600kN单动薄板冲压液压机、YH20-63型630kN单柱单动拉伸液压机等四个新产品于1990年1月12日通过省级鉴定。
Hefei forging machine developed RPT100 rapid hydraulic machine, YH32-1000 10000kN four-column hydraulic machine, YA27-160 1600kN single-action sheet metal stamping press, YH20-63 630kN single-column hydraulic stretching machine and other single-four in 1990 January 12 passed the provincial appraisal.