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korund vuurvast materiaal | |||
English thesaurus | |||
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alumina (MichaelBurov); aluminium oxide (MichaelBurov) | |||
aluminum oxide (MichaelBurov) | |||
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Aluminum Oxide | |||
Aluminum Oxide (aka Alumina or Sapphire) |
Al 2 O 3 : 7 phrases in 2 subjects |
Chemistry | 4 |
Industry | 3 |