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zy5140 xing fang zhu li shi zuan chuang tong guo jian ding
Pages: 53
Year: Issue:  12
Journal: Machinery

Abstract: <正> 自贡市机床厂生产的Z Y5140方柱立式钻床,于1984年11月22~24日在省机械厅机床公司及省劳改局主持下通过了鉴定。经测试表明:该机外观大方,性能稳定,精度的储备量大,超过国家标准GB4019—83《方柱立式精度》(相当于国际标
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