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石家庄铁丝厂试制的二氧化碳气体保护焊丝于85年5月7日通过省级鉴定。来自省内外的30余名专业人员,一致认为试制是成功的,生产工艺合理,而且拟采用具有国内先进水平的无氰电镀新工艺,这样既保证镀层质量,又消除对环境的污染。产品标准的质量考核指标接近美国和日本水平,样品实地抽查符合标准,用户比较满意。与会代表一致通过省级鉴定
Shijiazhuang Ironworks trial carbon dioxide gas shielded welding wire on May 7, 1985 passed the provincial appraisal. More than 30 professionals from both inside and outside the province agreed that the trial production was successful and the production process was reasonable. It is proposed to adopt a new cyanide-free plating process with advanced domestic technology so as to ensure the coating quality and eliminate environmental pollution. Product quality standards for the assessment of indicators close to the United States and Japan, the sample spot checks to meet the standards, the user is more satisfied. The delegates unanimously passed the provincial appraisal