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E Barbet et Fils et Cie
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E Barbet et Fils et Cie
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Priority to ES79732ApriorityCriticalpatent/ES79732A2/es
Publication of ES79732A2publicationCriticalpatent/ES79732A2/es
ES79732A1921-10-201921-10-20Perfeccionamientos en el tratamiento de jugos o líquidos piroleñosos procedentes de la carbonización de maderas.
ExpiredES79732A2
(es)