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Granda S A
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Granda S A
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Priority to ES201947ApriorityCriticalpatent/ES201947A1/en
Publication of ES201947A1publicationCriticalpatent/ES201947A1/en
Process of transformation of the hair into textile fiber, characterized by the treatment of that alternately in acidic and alkaline, energetic baths, at temperatures between 20 and 40 degrees centigrade, during times dependent on temperature and subsequent prolonged washing, with final treatment or intermediate in tin chloride bath and final action of a tanning material. (Machine-translation by Google Translate, not legally binding)
ES201947A1952-02-141952-02-14A process of transformation of the hair, in textile fiber (Machine-translation by Google Translate, not legally binding)
ExpiredES201947A1
(en)
Procedure for preparation and chemical dispatch of vegetable textile fibers, especially linen, hemp and ramio (Machine-translation by Google Translate, not legally binding)