Green Patent Categories of Industrial Enterprises' Green Utility Model Patents Time Range (时间区间) 1985 - December 31, 2021 Field Display (字段展示) Sample Data (样本数据) Data Update Frequency (数据更新频率) Annual Update
Time Range (时间区间) 1985 - December 31, 2021 Field Display (字段展示) Sample Data (样本数据) Data Update Frequency (数据更新频率) Annual Update