基于专利分析的中国重点钢铁企业技术竞争力研究

高小强, 田丽

Study on Technology Competitiveness of Key Steel Enterprises in China based on Patent Analysis

Gao Xiaoqiang, Tian Li

现代情报 . 2016, (3): 121 -128 . DOI: 10.3969/j.issn.1008-0821.2016.03.021