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cuprous oxide | |||
black copper oxide; copper oxide; cupric oxide | |||
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copper oxides; cupric oxide; cuprous oxide |
oxyde de cuivre : 22 phrases in 6 subjects |
Accumulators | 1 |
Chemistry | 15 |
Electrochemistry | 1 |
Electronics | 2 |
Metallurgy | 2 |
Natural resourses and wildlife conservation | 1 |