首页>
外国专利>
Process for desulfurization and refining of hydrocarbons coming from the distillation at high and low temperature of the brushes, or shale, lignites, peats, etc, and especially petroleum oils
Process for desulfurization and refining of hydrocarbons coming from the distillation at high and low temperature of the brushes, or shale, lignites, peats, etc, and especially petroleum oils
