ES120936A1 - Un nuevo procedimiento para la preparación de semicoques y la fabricación de aglomerados de semicoques de carbones minerales.
- Google Patents
Un nuevo procedimiento para la preparación de semicoques y la fabricación de aglomerados de semicoques de carbones minerales.
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ES120936A1930-12-021930-12-02Un nuevo procedimiento para la preparación de semicoques y la fabricación de aglomerados de semicoques de carbones minerales.
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