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Thomas & Prevost
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Thomas & Prevost
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Priority to ES20649ApriorityCriticalpatent/ES20649A1/es
Publication of ES20649A1publicationCriticalpatent/ES20649A1/es
Un procedimiento para la producción de nuevos productos carboxilados derivados de compuestos amidados o fenólicos y amidados y fenólicos del trifenilmetano.
Un aparato propio para tratar por medio del vapor y para lavar los hilos coloreados que se destinan a la producción de los tapices de Esmirna y otros géneros semejantes.