评论信息_柳建集团公司自主研发专利获得国家知识产权局授权_柳州市建筑工程集团有限责任公司

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柳建集团公司自主研发专利获得国家知识产权局授权

近日，由柳建集团公司自主研发完成的《一种可伸缩式临时飘窗防护栏杆》实用新型专利获得国家知识产权局授权。

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