北京市专利申请资助政策演变特征与效果分析

孙兵兵;刘云;宋赛赛

Analysis of the Evolving Process and Characteristics and Effects of Beijing's Patent Subsidy Policies

Sun Bingbing;Liu Yun;Song Saisai

Journal of Modern Information . 2013, (8): 35 -39,4 . DOI: 10.3969/j.issn.1008-0821.2013.08.007