专利维持时间影响因素实证分析——以燃料电池专利文献为例
吴红, 付秀颖, 董坤
Empirical Analysis on Influencing Factors of Patent Holding Time：Taking Fuel Cell Patent Documents for Example
Wu Hong, Fu Xiuying, Dong Kun
图书情报工作
.
2013, (24): 112
-116,100
.
DOI: 10.7536/j.issn.0252-3116.2013.24.019
