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Individual
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Individual
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Priority to ES137295ApriorityCriticalpatent/ES137295A1/en
Publication of ES137295A1publicationCriticalpatent/ES137295A1/en
ES137295A1935-02-221935-02-22
An improved process for the manufacture of yarns with continuous filaments of first quality fibers.
ExpiredES137295A1
(en)