电解铝相关技术专利竞争态势分析

段江涛;李思鉴

Patent Analysis of Competitive Situation in Field of Electrolytic Aluminum

Duan Jiangtao;Li Sijian

Journal of Modern Information . 2012, (5): 122 -126, . DOI: 10.3969/j.issn.1008-0821.2012.05.029