外外观设计专利保护实务外观设计专利保护实务de Yongshun Cheng, Qiang LiMateriasDesign protectionPatent laws and legislationCasesEdiciones (1)外观设计专利保护实务 (2005)Fa lü chu ban she · chinoMás obras de Yongshun ChengQQi ta fan bu zheng dang jing zheng pan li =Qi ta fan bu zheng dang jing zheng pan li =SShang ye mi mi pan li =Shang ye mi mi pan li =SShang biao que quan ban li =Shang biao que quan ban li =