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Worldwide patent map analysis of mechanization technologies relating to field crop production II: A case of corn 期刊论文
International Agricultural Engineering Journal, 2014, 卷号: 23, 期号: 2, 页码: 25-34
作者:  Wang, Xiuhong[1];  Yuan, Yinchi[2];  Yi, Zhongyi[3];  Yu, Zengshou[4]
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