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证券之星 on MSN
4 天
凯伦股份获得实用新型专利授权:“一种屋面结构及其建筑物”
证券之星消息,根据天眼查APP数据显示凯伦股份(300715)新获得一项实用新型专利授权,专利名为“一种屋面结构及其建筑物”,专利申请号为CN202420290067.2,授权日为2025年2月25日。
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