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证券之星股票频道 on MSN
6 小时
万华化学获得发明专利授权:“一种易增稠的聚氨酯或聚氨酯-脲水分 ...
证券之星消息,根据天眼查APP数据显示万华化学(600309)新获得一项发明专利授权,专利名为“一种易增稠的聚氨酯或聚氨酯-脲水分散体及其制备方法和应用”,专利申请号为CN202211639169.2,授权日为2025年4月1日。
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