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REEs (MichaelBurov); rare earth elements (MichaelBurov); rare-earth elements (MichaelBurov) | |||
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REE (MichaelBurov); rare earth element (MichaelBurov); rare-earth element (MichaelBurov); rare-earth metal (MichaelBurov) | |||
rare-earth metal (Ellajoy) | |||
Rosyjski tezaurus | |||
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РЗЭ (MichaelBurov) |