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“ZGB型铸造贝氏体钢和中铬铸铁”通过鉴定。1992年11月28日我院机械系开发二种新型抗磨材料“ZGB型铸造贝氏体钢和ZKMCr8中铬铸铁”通过陕西省建材工业局和省科委主持的技术鉴定会。
“ZGB cast bainitic steel and chrome cast iron” passed the certification. November 28, 1992 Department of Machinery Development of two new types of anti-wear materials, “ZGB casting bainite steel and ZKMCr8 in the chrome cast iron” through the Shaanxi Provincial Building Materials Industry Bureau and the Provincial Science and Technology Commission presided over the technical appraisal.