E-I index of the sector in the International Patent Classification network.
收藏NIAID Data Ecosystem2026-03-12 收录
下载链接:
https://figshare.com/articles/dataset/E-I_index_of_the_sector_in_the_International_Patent_Classification_network_/14943535
下载链接
链接失效反馈官方服务:
资源简介:
E-I index of the sector in the International Patent Classification network.
创建时间:
2021-07-09



