five

Valid patents of companies in China 2023 by region

收藏
Statista2026-04-11 收录
下载链接:
https://www.statista.com/statistics/234119/valid-patents-of-companies-in-china-by-region/
下载链接
链接失效反馈
官方服务:
资源简介:
Number of valid invention patents of companies above designated size in China in 2023, by region
二维码
社区交流群
二维码
科研交流群
商业服务