The composite figured aluminum plate series products and Three-protection thermal insulation quit which were awarded the Utility Models patent by the State Intellectual Property Bureau of the People's Republic of China are described in this paper.
文章就国家专利产品复合花纹铝板、三防保温被两种保温新材料新工艺产品进行介绍。
本站部份资料来自网络或由网友提供,如有问题请速与我们联系,我们将立即处理!
版权所有©四级英语单词 网站地图 陇ICP备2023000160号-4
免责声明:本站非营利性站点,以方便网友为主,仅供学习。