FR605470A - Perfectionnements apportés aux cathodes à incandescence, notamment à celles pour tubes à décharges électriques avec décharge pure d'électrons
- Google Patents
Perfectionnements apportés aux cathodes à incandescence, notamment à celles pour tubes à décharges électriques avec décharge pure d'électrons
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GLUHFADENFABRIK RICHARD KURTZ
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GLUHFADENFABRIK RICHARD KURTZ
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Application filed by GLUHFADENFABRIK RICHARD KURTZfiledCriticalGLUHFADENFABRIK RICHARD KURTZ
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Publication of FR605470ApublicationCriticalpatent/FR605470A/fr
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
FR605470D1925-03-131925-07-16Perfectionnements apportés aux cathodes à incandescence, notamment à celles pour tubes à décharges électriques avec décharge pure d'électrons
ExpiredFR605470A
(fr)