Screens for shielding; Guides for influencing the discharge; Masks interposed in the electron stream

Introduced: September 1968

Last revised: January 2006

Full Title

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 > Screens for shielding; Guides for influencing the discharge; Masks interposed in the electron stream

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS