SE105153C1SE652141ASE652141ASE105153C1SE 105153 C1SE105153 C1SE 105153C1SE 652141 ASE652141 ASE 652141ASE 652141 ASE652141 ASE 652141ASE 105153 C1SE105153 C1SE 105153C1
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SE
Sweden
Application number
SE652141A
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Priority to SE652141ApriorityCriticalpatent/SE105153C1/xx
Publication of SE105153C1publicationCriticalpatent/SE105153C1/xx
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/14—Solid thermionic cathodes characterised by the material