Green Patent Number Categories for Invention Patent Applications of A-Share Listed Companies Time Period(时间区间) 1990-2022.12.31 Field Display(字段展示) Sample Data(样本数据) Data Update Frequency(数据更新频率) Annual Update(年度更新)
Time Period(时间区间) 1990-2022.12.31 Field Display(字段展示) Sample Data(样本数据) Data Update Frequency(数据更新频率) Annual Update(年度更新)