Study on Pantent Citation of USPTO in Visual of Relationship between China and other Countries and Regions

Yang Zhongkai Shen Luwei

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Library and Information Service ›› 2010, Vol. 54 ›› Issue (22) : 80-84,120.

Study on Pantent Citation of USPTO in Visual of Relationship between China and other Countries and Regions

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2010, 54(22): 80-84,120

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