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Wolfram Fabrica De Lamparas Electricas S A
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Wolfram Fabrica De Lamparas Electricas S A
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Application filed by Wolfram Fabrica De Lamparas Electricas S AfiledCriticalWolfram Fabrica De Lamparas Electricas S A
Priority to ES55782ApriorityCriticalpatent/ES55782A1/es
Publication of ES55782A1publicationCriticalpatent/ES55782A1/es
ES55782A1913-06-041913-06-04Un procedimiento para la fabricación de cuerpos filiformes de tungsteno (Wolframio), molibdeno y otros metales.
ExpiredES55782A1
(es)
Un procedimiento para producir o aumentar la maleabilidad y la ductilidad de los metales quebradizos, como el tungsteno, el molibdeno, o sus aleaciones, especialmente para la fabricación de filamentos.