失效的外观设计是否可自由使用——当外观设计遇到实用艺术品

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 10-1332|volume|1|29-34

ISSN: 10-1332

Source: 专利代理, Vol.volume, Iss.1, 2015-01, pp. : 29-34

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Abstract