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由黑龙江省农垦科学院红兴隆科研所研制的5ZTY-450型移动式种子脱粒机,于1992年8月19日通过部级鉴定,同时通过了黑龙江省农场总局主持的新产品鉴定。
The 5ZTY-450 mobile seed thresher developed by Hongxinglong Scientific Research Institute of Heilongjiang Academy of Agricultural Reclamation Sciences passed the ministerial appraisal on August 19, 1992 and passed the appraisal of new products hosted by Heilongjiang Provincial Farm Bureau.