Installation, maintenance, updating and upgrading of computer software 71451
计算机软件的安装、维护、更新和升级
Chinese
计算机软件的安装、维护、更新和升级
English
Installation, maintenance, updating and upgrading of computer software
Spanish
Instalación, mantenimiento, actualización y mejora de software informático.
- Site ref.
- 71451
- Class
- 42
- Included in
- Harmonised Database (HDB)