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| Защитное заземление | |||
| защитное заземление (AD); защитное заземление (Alexander Demidov) | |||
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| защитное заземление | |||
| защитное устройство | |||
| protective grounding: 9 phrases in 6 subjects |
| Electrical engineering | 1 |
| Electronics | 1 |
| Measuring instruments | 1 |
| Medical appliances | 1 |
| Technology | 4 |
| Telecommunications | 1 |