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由中国建筑东北设计院设计的YXD—5—I 砌块成型机,于1986年4月在四川省德阳市通过部级鉴定,鉴定意见认为该机达到了国内同类机械的先进水平。同年该机已先后在国内若干个厂家投入批量生产(详见本刊
The YXD—5—I block forming machine designed by the China Northeast Building Design Institute passed the ministerial appraisal in Deyang City, Sichuan Province in April 1986. The appraisal opinion that the machine has reached the advanced level of the domestic similar machinery. In the same year, the machine has been put into batch production in several domestic manufacturers (see the publication