现有设计在外观设计专利对比中的作用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 10-1332|volume|3|46-50
ISSN: 10-1332
Source: 专利代理, Vol.volume, Iss.3, 2016-01, pp. : 46-50
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Abstract