机械类专利检索创造性判断方法的探讨
刘钦峰;董润丽;刘昆
Discussion on Creativity Judging Method of Mechanical Patent Retrieval
Liu Qinfeng;Dong Runli;Liu Kun
Journal of Modern Information . 2013, (3): 154 -156 .  DOI: 10.3969/j.issn.1008-0821.2013.03.037