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Priority to ES0229965ApriorityCriticalpatent/ES229965A1/en
Publication of ES229965A1publicationCriticalpatent/ES229965A1/en
Circuit Arrangement For Electric Light Sources In General
(AREA)
Glass Compositions
(AREA)
Abstract
Improvements in electric incandescent bulbs, characterized by consisting of two or more filaments or resistors connected on independent circuits. (Machine-translation by Google Translate, not legally binding)
ES0229965A1956-07-241956-07-24Improvements in the electric bulbs of incandescence (Machine-translation by Google Translate, not legally binding)
ExpiredES229965A1
(en)