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| backup auxiliary transformer (VictorMashkovtsev) | |||
| standby house transformer (резервный трансформатор собственных нужд Korneeva) | |||
| standby auxiliary transformer (Vasilius Galkinus) | |||
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| BAT back-up auxiliary transformer (natty0208) | |||
| Russian thesaurus | |||
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| радиотехнические средства навигации | |||