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high-pressure mercury arc lamp (MichaelBurov); mercury arc lamp DRL (MichaelBurov) | |||
mercury arc-discharge lamp | |||
mercury arc lamp (ДРЛ linkin64) |
дуговая ртутная лампа : 17 phrases in 7 subjects |
Chemistry | 1 |
Electronics | 2 |
Lighting other than cinema | 7 |
Makarov | 3 |
Medical appliances | 1 |
Rail transport | 1 |
Technology | 2 |