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简介:河北钢铁集团矿业公司不锈钢复合管护栏与俄罗斯乌拉尔机械加工股份有限公司就研发《微细粒贫赤铁矿高效回收关键技术》达成的科技合作项目,获得国家科技部、财政部550万元专项研究经费。不锈钢复合管,双金属复合管,不锈钢复合管护栏,内衬不锈钢复合管,
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