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Onderzoekings Instituut Research
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Onderzoekings Instituut Research
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Priority to ES192354ApriorityCriticalpatent/ES192354A1/en
Publication of ES192354A1publicationCriticalpatent/ES192354A1/en
ES192354A1950-03-301950-03-30
A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL PRODUCTS, SUCH AS THREADS, FIBERS, TAPES, FILMS, LEAVES AND SIMILAR
ExpiredES192354A1
(en)