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证券之星股票频道 on MSN
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马钢股份公布国际专利申请:“一种具有良好强韧匹配的中碳钢车轮 ...
证券之星消息,根据企查查数据显示马钢股份(600808)公布了一项国际专利申请,专利名为“一种具有良好强韧匹配的中碳钢车轮钢及生产的车轮、车轮热处理方法”,专利申请号为PCT/CN2024/119632,国际公布日为2025年7月31日。
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