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LUX JOHANN
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LUX JOHANN
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Priority to ES38994ApriorityCriticalpatent/ES38994A1/es
Publication of ES38994A1publicationCriticalpatent/ES38994A1/es
ES38994A1906-08-251906-08-25Un procedimiento para fabricar hilos de incandescencia de metal volframio para lámparas eléctricas de incandescencia.
ExpiredES38994A1
(es)
Un procedimiento para la fabricación de hilos de volframio o molibdeno o de una aleación de estos dos metales para lámparas eléctricas de incandescencia.