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6 results with digital objects Show results with digital objects

APERFEIÇOAMENTO NA DISTILLAÇÃO DE PETROLEO

UM PROCESSO APERFEIÇOADO PARA A CONVERSÃO DO PETROLEO E DE OUTROS HYDROCARBURETOS PESADOS EM HYDROCARBURETOS MAIS LEVES

UM NOVO PROCESSO PARA REDUCÇÃO DE OLEOS HYDROCARBONADOS PESADOS EM HYDROCARBURETOS MAIS LEVES

UM PROCESSO DE PRODUZIR ASPHALTO

APERFEIÇOAMENTOS NA FABRICAÇÃO DE GAZOLINA

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Showing 6 results