| Subject | English | Russian |
| comp., MS | class ID | идентификатор класса (A universally unique identifier (UUID) that identifies a COM component. Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications) |
| comp., net. | class ID | идентификатор класса |
| comp. | class ID | классификационный идентификационный номер (Leonid Dzhepko) |
| comp., MS | Class ID extension | расширение CLSID (An extended HTML element that is used to describe the class of a viewable or downloadable document. It can be misused to pass dangerous attachments; EHS allows users to block this tag) |
| shipb. | class ID number | регистровый номер судна (MingNa) |