Study on the Method of Analyzing Technology Evolution Based on Patent Documents

Fang Shu Hu Zhengyin Pang Hongshen Zhang Xian

Library and Information Service ›› 2011, Vol. 55 ›› Issue (22) : 42-46.

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Library and Information Service
PDF(895 KB)
Library and Information Service ›› 2011, Vol. 55 ›› Issue (22) : 42-46.

Study on the Method of Analyzing Technology Evolution Based on Patent Documents

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2011, 55(22): 42-46

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