
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
基于专利数据的化纤机械技术发展现状与趋势分析
Analysis of Present Situation and Trend on Chemical Fiber Machinery Technology Development By Using Patent Data
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