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航天工程获得实用新型专利授权:“一种DRI锁斗”
证券之星消息,根据天眼查APP数据显示航天工程(603698)新获得一项实用新型专利授权,专利名为“一种DRI锁斗”,专利申请号为CN202521040797.8,授权日为2026年5月19日。 专利摘要:本实用新型公开了一种DRI锁斗,包括上部的料斗部分和下部的接口部分;其中,所 ...
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