Method for coating an electrical device placed in a container
FR1521372A
Device for high frequency ignition of a discharge lamp
FR1508331A
Device with several contactors, to animate a sign
FR1507368A
Electric discharge lamp
FR91171E
Electric discharge lamp in an ionizable atmosphere
ES332440A3
Device to make variar the luminosity of, at least, two tubes of electric shock in an ionizable atmosphere. (Machine-translation by Google Translate, not legally binding)
FR1507210A
Device for reproducing a document by impressing a photosensitive medium with radiation
FR1502854A
Device for the alternating current supply of a discharge lamp
FR1509956A
Method for sealing a strip of molybdenum in a silica tube
FR1514993A
Device for the lighting of pylons of a high voltage line
FR1498610A
Contactor device for animating a sign or similar device
FR1489755A
Process for the fuel treatment of a thorium oxide electrode
FR1489754A
Electric discharge lamp in an ionizable atmosphere
FR1464066A
electrode for electric discharge device
FR1464022A
Device for lighting
FR1458327A
Lighting apparatus or the like, comprising an electric discharge tube
FR1444909A
Device for the protection of transformers with strong magnetic leakage
