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日丰企业申请耐迁移抗UV老化PPR材料制备专利,制备得到耐迁移抗UV ...
金融界2025年1月30日消息,国家知识产权局信息显示,日丰企业(天津)有限公司申请一项名为“一种耐迁移抗UV老化的PPR材料及其制备方法”的专利,公开号CN 119371746 A,申请日期为2024年12月。
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