The Analysis to Influencing Factors on Patent Maintenance Time Based on Patent Information Perspective

Library and Information Service ›› 2009, Vol. 53 ›› Issue (04) : 42-45.

PDF(368 KB)
Library and Information Service
PDF(368 KB)
Library and Information Service ›› 2009, Vol. 53 ›› Issue (04) : 42-45.

The Analysis to Influencing Factors on Patent Maintenance Time Based on Patent Information Perspective

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2009, 53(04): 42-45

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