 |
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| dial telephone switching system | |||
| система автоматической телефонной коммутации: 7 phrases in 4 subjects |
| Electronics | 1 |
| Mass media | 4 |
| Military | 1 |
| Telephony | 1 |
|
| |||
| dial telephone switching system | |||
| система автоматической телефонной коммутации: 7 phrases in 4 subjects |
| Electronics | 1 |
| Mass media | 4 |
| Military | 1 |
| Telephony | 1 |