Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Auralight AB
Original Assignee
Lumalampan AB
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Filing date
Publication date
Application filed by Lumalampan ABfiledCriticalLumalampan AB
Publication of ES195368A1publicationCriticalpatent/ES195368A1/es
Yarns And Mechanical Finishing Of Yarns Or Ropes
(AREA)
Resistance Heating
(AREA)
Abstract
Perfeccionamientos en lámparas eléctricas de incandescendia o lámparas mixtas preferentemente con doble o multiple filamento espiral caracterizados por contener trióxido de antimonio como sustancia combinable con el álcali.
ES0195368A1949-11-231950-11-14LáMPARAS ELÉCTRICAS DE INCANDESCENCIA O LáMPARAS MIXTAS, PREFERENTEMENTE CON DOBLE O MuLTIPLE FILAMENTO ESPIRAL
ExpiredES195368A1
(es)