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| alphabet plus number code (ssn) | |||
| alphabetic code | |||
| alphanumerical code | |||
| alphameric code; alphanumeric code | |||
| буквенно-цифровой код: 11 phrases in 7 subjects |
| Computers | 2 |
| Economy | 1 |
| Information security and data protection | 1 |
| Information technology | 4 |
| Mass media | 1 |
| Security systems | 1 |
| Technology | 1 |