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Individual
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Priority to ES164315ApriorityCriticalpatent/ES164315A1/es
Publication of ES164315A1publicationCriticalpatent/ES164315A1/es
ES164315A1944-01-071944-01-07Un procedimiento para mejorar las cualidades de las fibras de regenerados de textiles y desperdicios de algodón
ExpiredES164315A1
(es)