Method and circuit arrangement for producing welded connections between power supply wires and contact pins, in particular for fluorescent lamps and electron tubes
DE1901579A1
Electrode for electric discharge lamps
DE1589398A1
Method and device for carrying out the pumping process including associated and adjacent processing operations on vessels to be evacuated, in particular fluorescent lamps
DE1589392A1
Glow igniter for lighting up discharge lamps, in particular fluorescent lamps
DE1589391A1
Method for melting down metal vapor lamps, preferably sodium vapor and / or spectral lamps
DE1589388A1
Device for dosing and filling mercury into electrical discharge vessels
DE1525933A1
Sealing for cylindrical parts, especially for exhaust tube of vacuum vessels
DE1263204B
Alkaline earth yttrium orthophosphate phosphors, especially for high pressure mercury vapor discharge lamps
OA1550A
Process for producing semi-finished products from metal alloys with high melting points by powder metallurgy
DE1221518B
Process for the galvanic deposition of platinum coatings on molybdenum, in particular molybdenum wire
DE1196376B
Process for processing tantalum, preferably waste, into tantalum powder
DE1521576A1
Process for the production of a composite material for thermally highly stressable electrodes
DE1200943B
Process for the production of electrodes from thorium-containing tungsten for electric high-pressure discharge lamps
DE1458509A1
Process for the production of alloys, preferably high-melting sintered alloys
DE1232353B
Process for the production of high-melting metals containing metal oxides
DE1236795B
Process for the production of easily deformable high-melting metals containing thorium oxide, in particular tungsten
DE1044966B
Water-cooled tungsten electrode for high-pressure discharge lamps operated with high currents
