Empirical Analysis on Influencing Factors of Patent Holding Time：Taking Fuel Cell Patent Documents for Example

Wu Hong, Fu Xiuying, Dong Kun

Library and Information Service ›› 2013, Vol. 57 ›› Issue (24) : 112-116,100.

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Library and Information Service
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Library and Information Service ›› 2013, Vol. 57 ›› Issue (24) : 112-116,100. DOI: 10.7536/j.issn.0252-3116.2013.24.019

Empirical Analysis on Influencing Factors of Patent Holding Time：Taking Fuel Cell Patent Documents for Example

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2013, 57(24): 112-116,100 https://doi.org/10.7536/j.issn.0252-3116.2013.24.019

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