with ionisation by means of cold cathodes

Introduced: July 1974

Last revised: January 2006

Full Title

Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions > Discharge tubes and means integral therewith for measuring gas pressure > with ionisation by means of cold cathodes

Classification Context

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