基于专利数据的化纤机械技术发展现状与趋势分析
孙学军, 贺德方, 彭洁, 张英杰, 齐俊景
Analysis of Present Situation and Trend on Chemical Fiber Machinery Technology Development By Using Patent Data
Sun Xuejun, He Defang, Peng Jie, Zhang Yingjie, Qi Junjing
现代情报
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2018, (7): 148
-159
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DOI: 10.3969/j.issn.1008-0821.2018.07.021