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[Subject: Mineralogy]
- Residuo sólido y combustible que queda de la destilación destructora del carbón o del petróleo crudo
Translated in 19 languages
[Subject: Metallurgy]
Translated by: ESTEBAN ETXEBERRIA ARAMBURU
Translated in 2 languages
[Subject: Sciences Of Earth & Worlds]
Translated by: ION LEIZEAGA
[Subject: Generalities]
Translated in 1 languages