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Individual
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Individual
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Priority to ES64458ApriorityCriticalpatent/ES64458A1/es
Publication of ES64458A1publicationCriticalpatent/ES64458A1/es
Un procedimiento industrial basado sobre el empleo, en la fabricación de aglomerados de carbón, como aglutinante, de materias vegetales tales como la resina, la colofón, la pez y similares.