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Individual
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Priority to ES0179596ApriorityCriticalpatent/ES179596A2/es
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Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
Mejoras en el objeto de la patente principal núm 167745, por mejoras en la fabricación y montaje de las lámparas eléctricas tubulares, caracterizadas por el hecho de constituir la varilla de cristal de sostén del filamento por una barra rectilínea, en cuyos extremos se une el primer travesaño de sostén.
ES0179596A1947-09-031947-09-03MEJORAS EN LA FABRICACIoN Y MONTAJE DE LAS LáMPARAS ELÉCTRICAS TUBULARES
ExpiredES179596A2
(es)