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由机电部济南铸锻机械研究所设计、天水铸造机械总厂试制的J453F低压铸造机和天水铸造机械总厂自行设计研制的J514B卧式离心铸造机于1992年12月在天水通过了由甘肃省计委、甘肃省机械工业总公司组织的新产品技术鉴定会。两种新产品均属国内领先水平。
Mechanical and Electrical Department of Jinan forging Machinery Research Institute designed by Tianshui Casting Machinery Factory Trial J453F low-pressure casting machine and Tianshui Casting Machinery Plant J514B horizontal centrifugal casting machine designed by the self-developed in December 1992 in Tianshui passed by Gansu Province Planning Commission, Gansu Province Machinery Industry Corporation organized a new product technology appraisal. Two new products are the leading domestic level.