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Individual
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Individual
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Priority to ES36949ApriorityCriticalpatent/ES36949A1/es
Publication of ES36949A1publicationCriticalpatent/ES36949A1/es
ES36949A1905-10-131905-10-13Un procedimiento para la fabricación de un sucedáneo del celuloide, el asta, la ebonita y otras substancias análogas.
ExpiredES36949A1
(es)