【摘要】 为了解2020年触头材料企业的技术发展动态,以触头材料技术相关专利为研究对象,对该领域的技术构成、技术分布、申请人、发明人等进行了分析,并对比分析了相关优势企业的专利布局。更多还原

【Abstract】 In order to understand the technology development trend of contact material enterprises in 2020,taking the relevant patents of contact material technology as the research object, this paper analyzes the technology composition, technology distribution, applicants and inventors in this field, and makes a comparative analysis on the patent layout of relevant advantageous enterprises.更多还原