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.)
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Auralight AB
Original Assignee
Lumalampan AB
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Filing date
Publication date
Application filed by Lumalampan ABfiledCriticalLumalampan AB
Publication of ES195368A1publicationCriticalpatent/ES195368A1/en
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.Improvements in electric incandescent lamps or mixed lamps preferably with double or multiple spiral filament characterized by containing antimony trioxide as a substance that can be combined with alkali.
ES0195368A1949-11-231950-11-14
ELECTRIC INCANDESCENCE LAMPS OR MIXED LAMPS, PREFERENTIALLY WITH DOUBLE OR MULTIPLE SPIRAL FILAMENT
ExpiredES195368A1
(en)