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１９９７年第四季度中型轮式拖拉机国家监督抽查国家中小拖拉机质检中心李希江一、监督抽查依据的标准及合格判定原则１９９７年第４季度，国家中小拖拉机产品质量监督检验中心受国家质量技术监督局委托，对国产中小型轮式拖拉机（１２．５－２２ｋＷ）进行了国家监督抽查...
In the fourth quarter of 1997, the National Center for Supervising and Inspection of Medium-sized Wheel Tractors Li Xijiang 1. Standards for the basis for supervision and spot checks and the principle of conformity determination In the fourth quarter of 1997, the State Quality Supervision and Inspection Center for Small and Medium-sized Tractors was under the supervision of the State Bureau of Quality and Technical Supervision. Commissioned the national surveillance inspection of domestic medium and small wheeled tractors (12.5-22kW)...