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根据国家质量技术监督局《关于废止专业标准和清理整顿后应转化的国家标准的通知》精神，国家石油和化学工业局决定，将《釜用立式减速机型号及基本参数》等４４２项原化工部部颁标准、专业标准直接转化为化工行业标准。现将转化后的４４２项化工行业标准的新编号予以发布...
According to the Notice of the State Quality and Technical Supervision on Abolishing Professional Standards and Clearing Up the National Standards to be Transformed, the National Bureau of Petroleum and Chemical Industry decided that 442 items such as “model and basic parameters of kettle for vertical reducer” Ministry of Chemical Industry ministerial standards, professional standards directly into the chemical industry standards. Now 444 after the transformation of the chemical industry standard number to be released ...