without fixed connection between spacing member and envelope

Introduced: September 1968

Last revised: January 2006

Full Title

Details of vacuum tubes of the types covered by group > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies > Spacing members extending to the envelope > without fixed connection between spacing member and envelope

Classification Context

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