Study on Measurement Methods of Stock Ratio and Failure Rate for Patents in Force

Zhang Xian, Xu Haiyun, Fang Shu, Liu Chunjiang, Zeng Rongqiang

Library and Information Service ›› 2014, Vol. 58 ›› Issue (13) : 90-94,74.

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Library and Information Service ›› 2014, Vol. 58 ›› Issue (13) : 90-94,74. DOI: 10.13266/j.issn.0252-3116.2014.13.015

Study on Measurement Methods of Stock Ratio and Failure Rate for Patents in Force

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2014, 58(13): 90-94,74 https://doi.org/10.13266/j.issn.0252-3116.2014.13.015

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