EU Trademark Classification EU42 Scientific and technological services 电脑游戏软件设计和开发（70739） Class 42 Design and development of computer game software 70739 电脑游戏软件设计和开发 Chinese 电脑游戏软件设计和开发 English Design and development of computer game software Site ref. 70739 Class 42 Included in Harmonised Database (HDB)